(21855) 1999 TG150

asteroid

Place asteroid Q5192402

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(21855) 1999 TG150

Summary

(21855) 1999 TG150 is an asteroid^[1].

Key Facts

(21855) 1999 TG150 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(21855) 1999 TG150's instance of is recorded as asteroid^[3].
(21855) 1999 TG150's site of astronomical discovery is recorded as Experimental Test Site^[4].
(21855) 1999 TG150's follows is recorded as 21854 Brendandwyer^[5].
(21855) 1999 TG150's followed by is recorded as 21856 Heathermaria^[6].
(21855) 1999 TG150's minor planet group is recorded as asteroid belt^[7].
(21855) 1999 TG150's parent astronomical body is recorded as Sun^[8].
(21855) 1999 TG150's provisional designation is recorded as 1999 TG150^[9].
(21855) 1999 TG150's time of discovery or invention is recorded as +1999-10-07T00:00:00Z^[10].
(21855) 1999 TG150's JPL Small-Body Database SPK-ID is recorded as 20021855^[11].
(21855) 1999 TG150's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.10'}^[12].
(21855) 1999 TG150's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1044110'}^[13].
(21855) 1999 TG150's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1145759170559835'}^[14].
(21855) 1999 TG150's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.3'}^[15].
(21855) 1999 TG150's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.49'}^[16].
(21855) 1999 TG150's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.89271'}^[17].
(21855) 1999 TG150's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.892633455398014'}^[18].
(21855) 1999 TG150's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.74'}^[19].
(21855) 1999 TG150's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2085.899463129135'}^[20].
(21855) 1999 TG150's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+9.675'}^[21].
(21855) 1999 TG150's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.51339'}^[22].
(21855) 1999 TG150's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.04942293567412'}^[23].
(21855) 1999 TG150's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.2042750'}^[24].
(21855) 1999 TG150's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.194944342742935'}^[25].
(21855) 1999 TG150's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.539'}^[26].

Body

Designation and Status

(21855) 1999 TG150's instance of is recorded as asteroid^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of asteroid

Follows 21854 Brendandwyer

Followed by 21856 Heathermaria

Properties

Absolute magnitude unit: 1, amount: +13.3, unit: 1, amount: +13.49

Albedo unit: 1, amount: +0.048

Apoapsis unit: www.wikidata.org, amount: +3.539, unit: www.wikidata.org, amount: +3.561008020755533

Argument of periapsis unit: www.wikidata.org, amount: +140.32878, unit: www.wikidata.org, amount: +142.2486834037658

Diameter unit: www.wikidata.org, amount: +10.554

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: +88.51339, unit: www.wikidata.org, amount: +88.04942293567412

Mean anomaly unit: www.wikidata.org, amount: +290.07074, unit: www.wikidata.org, amount: +340.9711411447097

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.10, unit: 1, amount: +0.1044110, unit: 1, amount: +0.1145759170559835

Orbital inclination unit: www.wikidata.org, amount: +2.89271, unit: www.wikidata.org, amount: +2.892633455398014

Orbital period unit: www.wikidata.org, amount: +5.74, unit: www.wikidata.org, amount: +2085.899463129135

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +2.8697134, unit: www.wikidata.org, amount: +2.828880664730337

Provisional designation 1999 TG150

Rotation period unit: www.wikidata.org, amount: +9.675

Semi-major axis of an orbit unit: www.wikidata.org, amount: +3.2042750, unit: www.wikidata.org, amount: +3.194944342742935

Site of astronomical discovery Experimental Test Site

Time of discovery or invention October 7, 1999

Time of periapsis unit: www.wikidata.org, amount: +2461110.756351306

External References (4)

Google knowledge graph id /g/11g236cl9_

Jpl small-body database spk-id 20021855

Minor planet center body id 21855

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet21855Provisional1999TG150"]

🌐 Available in 4 languages

ar(21855) 1999 TG150 arz(21855) 1999 TG150 (كويكب) fr(21855) 1999 TG150 pt(21855) 1999 TG150

References

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

Direct Wikidata claims

[3] ↑ (21855) 1999 TG150 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (21855) 1999 TG150 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (21855) 1999 TG150 — site of astronomical discovery (P65): Experimental Test Site. JPL Small-Body Database. Retrieved 2024-04-21. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (21855) 1999 TG150 — follows (P155): 21854 Brendandwyer. wikidata.org.
[6] ↑ (21855) 1999 TG150 — followed by (P156): 21856 Heathermaria. wikidata.org.
[7] ↑ (21855) 1999 TG150 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (21855) 1999 TG150 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (21855) 1999 TG150 — provisional designation (P490): 1999 TG150. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (21855) 1999 TG150 — time of discovery or invention (P575): +1999-10-07T00:00:00Z. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (21855) 1999 TG150 — JPL Small-Body Database SPK-ID (P716): 20021855. JPL Small-Body Database. Retrieved 2024-03-22. wikidata.org.
[12] ↑ (21855) 1999 TG150 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.10'}. wikidata.org.
[13] ↑ (21855) 1999 TG150 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.1044110'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[14] ↑ (21855) 1999 TG150 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.1145759170559835'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (21855) 1999 TG150 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.3'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (21855) 1999 TG150 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.49'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (21855) 1999 TG150 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.89271'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (21855) 1999 TG150 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.892633455398014'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (21855) 1999 TG150 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.74'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (21855) 1999 TG150 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2085.899463129135'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (21855) 1999 TG150 — rotation period (P2147): {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+9.675'}. JPL Small-Body Database. Retrieved 2024-03-22. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[22] ↑ (21855) 1999 TG150 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.51339'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[23] ↑ (21855) 1999 TG150 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.04942293567412'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[24] ↑ (21855) 1999 TG150 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.2042750'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[25] ↑ (21855) 1999 TG150 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.194944342742935'}. JPL Small-Body Database. Retrieved 2025-12-24. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[26] ↑ (21855) 1999 TG150 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.539'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

[1] ↑ (21855) 1999 TG150 is an instance of asteroid (Q3863) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

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). (21855) 1999 TG150. Retrieved May 3, 2026, from https://4ort.xyz/entity/-21855-1999-tg150

MLA “(21855) 1999 TG150.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-21855-1999-tg150.

BibTeX

@misc{4ortxyz_-21855-1999-tg150_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21855) 1999 TG150}}, year = {2026}, url = {https://4ort.xyz/entity/-21855-1999-tg150}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21855) 1999 TG150 — https://4ort.xyz/entity/-21855-1999-tg150 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-21855-1999-tg150 · Last refreshed: May 3, 2026