(28399) 1999 RY136

asteroid

Place asteroid Q6585812

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(28399) 1999 RY136

Summary

(28399) 1999 RY136 is an asteroid^[1].

Key Facts

(28399) 1999 RY136 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(28399) 1999 RY136's instance of is recorded as asteroid^[3].
(28399) 1999 RY136's site of astronomical discovery is recorded as Experimental Test Site^[4].
(28399) 1999 RY136's follows is recorded as 28398 Ericthomas^[5].
(28399) 1999 RY136's followed by is recorded as 28400 Morgansinko^[6].
(28399) 1999 RY136's minor planet group is recorded as asteroid belt^[7].
(28399) 1999 RY136's parent astronomical body is recorded as Sun^[8].
(28399) 1999 RY136's provisional designation is recorded as 1999 RY136^[9].
(28399) 1999 RY136's time of discovery or invention is recorded as +1999-09-09T00:00:00Z^[10].
(28399) 1999 RY136's JPL Small-Body Database SPK-ID is recorded as 20028399^[11].
(28399) 1999 RY136's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.09'}^[12].
(28399) 1999 RY136's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0856787'}^[13].
(28399) 1999 RY136's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.08357286576626746'}^[14].
(28399) 1999 RY136's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.8'}^[15].
(28399) 1999 RY136's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.05'}^[16].
(28399) 1999 RY136's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.41699'}^[17].
(28399) 1999 RY136's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.42235620295918'}^[18].
(28399) 1999 RY136's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.2'}^[19].
(28399) 1999 RY136's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1901.089572666084'}^[20].
(28399) 1999 RY136's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+10.802'}^[21].
(28399) 1999 RY136's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.33419'}^[22].
(28399) 1999 RY136's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.193629451593'}^[23].
(28399) 1999 RY136's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.0017441'}^[24].
(28399) 1999 RY136's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.003328024678468'}^[25].
(28399) 1999 RY136's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.259'}^[26].

Body

Designation and Status

(28399) 1999 RY136's instance of is recorded as asteroid^[3].

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Quick Facts

Instance of asteroid

Follows 28398 Ericthomas

Followed by 28400 Morgansinko

Properties

Absolute magnitude unit: 1, amount: +13.8, unit: 1, amount: +14.05

Albedo unit: 1, amount: +0.228

Apoapsis unit: www.wikidata.org, amount: +3.259, unit: www.wikidata.org, amount: +3.254324754536991

Argument of periapsis unit: www.wikidata.org, amount: +317.82188, unit: www.wikidata.org, amount: +315.925975986852

Diameter unit: www.wikidata.org, amount: +5.304

Discoverer or inventor Lincoln Near-Earth Asteroid Research

Epoch November 21, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +325.33419, unit: www.wikidata.org, amount: +325.193629451593

Mean anomaly unit: www.wikidata.org, amount: +247.89721, unit: www.wikidata.org, amount: +60.08971633769032

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.09, unit: 1, amount: +0.0856787, unit: 1, amount: +0.08357286576626746

Orbital inclination unit: www.wikidata.org, amount: +9.41699, unit: www.wikidata.org, amount: +9.42235620295918

Orbital period unit: www.wikidata.org, amount: +5.2, unit: www.wikidata.org, amount: +1901.089572666084

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +2.7445587, unit: www.wikidata.org, amount: +2.752331294819945

Provisional designation 1999 RY136

Rotation period unit: www.wikidata.org, amount: +10.802

Semi-major axis of an orbit unit: www.wikidata.org, amount: +3.0017441, unit: www.wikidata.org, amount: +3.003328024678468

Site of astronomical discovery Experimental Test Site

Time of discovery or invention September 9, 1999

Time of periapsis unit: www.wikidata.org, amount: +2460683.177963461

External References (4)

Google knowledge graph id /g/11gk_30lg6

Jpl small-body database spk-id 20028399

Minor planet center body id 28399

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet28399Provisional1999RY136"]

🌐 Available in 4 languages

ar(28399) 1999 RY136 arz(28399) 1999 RY136 (كويكب) fr(28399) 1999 RY136 pt(28399) 1999 RY136

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[3] ↑ (28399) 1999 RY136 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (28399) 1999 RY136 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (28399) 1999 RY136 — site of astronomical discovery (P65): Experimental Test Site. JPL Small-Body Database. Retrieved 2024-05-30. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (28399) 1999 RY136 — follows (P155): 28398 Ericthomas. wikidata.org.
[6] ↑ (28399) 1999 RY136 — followed by (P156): 28400 Morgansinko. wikidata.org.
[7] ↑ (28399) 1999 RY136 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (28399) 1999 RY136 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (28399) 1999 RY136 — provisional designation (P490): 1999 RY136. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (28399) 1999 RY136 — time of discovery or invention (P575): +1999-09-09T00:00:00Z. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (28399) 1999 RY136 — JPL Small-Body Database SPK-ID (P716): 20028399. JPL Small-Body Database. Retrieved 2024-04-02. wikidata.org.
[12] ↑ (28399) 1999 RY136 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.09'}. wikidata.org.
[13] ↑ (28399) 1999 RY136 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.0856787'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[14] ↑ (28399) 1999 RY136 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.08357286576626746'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (28399) 1999 RY136 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.8'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (28399) 1999 RY136 — absolute magnitude (P1457): {'unit': '1', 'amount': '+14.05'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (28399) 1999 RY136 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.41699'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (28399) 1999 RY136 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.42235620295918'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (28399) 1999 RY136 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.2'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (28399) 1999 RY136 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1901.089572666084'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (28399) 1999 RY136 — rotation period (P2147): {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+10.802'}. JPL Small-Body Database. Retrieved 2024-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[22] ↑ (28399) 1999 RY136 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.33419'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[23] ↑ (28399) 1999 RY136 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.193629451593'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[24] ↑ (28399) 1999 RY136 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.0017441'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[25] ↑ (28399) 1999 RY136 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.003328024678468'}. JPL Small-Body Database. Retrieved 2026-01-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[26] ↑ (28399) 1999 RY136 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.259'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

[1] ↑ (28399) 1999 RY136 is an instance of asteroid (Q3863) [P31, primary]. Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). (28399) 1999 RY136. Retrieved May 3, 2026, from https://4ort.xyz/entity/-28399-1999-ry136

MLA “(28399) 1999 RY136.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-28399-1999-ry136.

BibTeX

@misc{4ortxyz_-28399-1999-ry136_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(28399) 1999 RY136}}, year = {2026}, url = {https://4ort.xyz/entity/-28399-1999-ry136}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (28399) 1999 RY136 — https://4ort.xyz/entity/-28399-1999-ry136 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-28399-1999-ry136 · Last refreshed: May 3, 2026