(25556) 1999 XP169

asteroid

Place asteroid Q6459200

Press Enter · cited answer in seconds

(25556) 1999 XP169

Summary

(25556) 1999 XP169 is an asteroid^[1].

Key Facts

(25556) 1999 XP169 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(25556) 1999 XP169's instance of is recorded as asteroid^[3].
(25556) 1999 XP169's site of astronomical discovery is recorded as Experimental Test Site^[4].
(25556) 1999 XP169's follows is recorded as 25555 Ratnavarma^[5].
(25556) 1999 XP169's followed by is recorded as (25557) 1999 XW171^[6].
(25556) 1999 XP169's minor planet group is recorded as asteroid belt^[7].
(25556) 1999 XP169's parent astronomical body is recorded as Sun^[8].
(25556) 1999 XP169's provisional designation is recorded as 1974 WV^[9].
(25556) 1999 XP169's provisional designation is recorded as 1978 TM2^[10].
(25556) 1999 XP169's provisional designation is recorded as 1999 XP169^[11].
(25556) 1999 XP169's time of discovery or invention is recorded as +1999-12-10T00:00:00Z^[12].
(25556) 1999 XP169's JPL Small-Body Database SPK-ID is recorded as 20025556^[13].
(25556) 1999 XP169's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.25'}^[14].
(25556) 1999 XP169's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2528345'}^[15].
(25556) 1999 XP169's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2553242812403562'}^[16].
(25556) 1999 XP169's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.7'}^[17].
(25556) 1999 XP169's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.91'}^[18].
(25556) 1999 XP169's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.38530'}^[19].
(25556) 1999 XP169's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.380070532537819'}^[20].
(25556) 1999 XP169's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+4.15'}^[21].
(25556) 1999 XP169's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1509.814006574099'}^[22].
(25556) 1999 XP169's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.03787'}^[23].
(25556) 1999 XP169's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+38.95295838783765'}^[24].
(25556) 1999 XP169's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.5804708'}^[25].
(25556) 1999 XP169's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.57562925160247'}^[26].

Body

Designation and Status

(25556) 1999 XP169's instance of is recorded as asteroid^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of asteroid

Follows 25555 Ratnavarma

Followed by (25557) 1999 XW171

Properties

Absolute magnitude unit: 1, amount: +14.7, unit: 1, amount: +14.91

Albedo unit: 1, amount: +0.398

Apoapsis unit: www.wikidata.org, amount: +3.233, unit: www.wikidata.org, amount: +3.233249939009507

Argument of periapsis unit: www.wikidata.org, amount: +27.50232, unit: www.wikidata.org, amount: +27.65934185270466

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: +39.03787, unit: www.wikidata.org, amount: +38.95295838783765

Mean anomaly unit: www.wikidata.org, amount: +160.98522, unit: www.wikidata.org, amount: +108.063776332679

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.25, unit: 1, amount: +0.2528345, unit: 1, amount: +0.2553242812403562

Orbital inclination unit: www.wikidata.org, amount: +4.38530, unit: www.wikidata.org, amount: +4.380070532537819

Orbital period unit: www.wikidata.org, amount: +4.15, unit: www.wikidata.org, amount: +1509.814006574099

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +1.9280388, unit: www.wikidata.org, amount: +1.918008564195433

Provisional designation 1974 WV, 1978 TM2, 1999 XP169

Semi-major axis of an orbit unit: www.wikidata.org, amount: +2.5804708, unit: www.wikidata.org, amount: +2.57562925160247

Site of astronomical discovery Experimental Test Site

Time of discovery or invention December 10, 1999

Time of periapsis unit: www.wikidata.org, amount: +2460547.288324693

External References (4)

Google knowledge graph id /g/11gkr_flsy

Jpl small-body database spk-id 20025556

Minor planet center body id 25556

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet25556Provisional1999XP169"]

🌐 Available in 4 languages

ar(25556) 1999 XP169 arz(25556) 1999 XP169 (كويكب) fr(25556) 1999 XP169 pt(25556) 1999 XP169

References

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

Direct Wikidata claims

[3] ↑ (25556) 1999 XP169 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (25556) 1999 XP169 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (25556) 1999 XP169 — site of astronomical discovery (P65): Experimental Test Site. JPL Small-Body Database. Retrieved 2024-06-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (25556) 1999 XP169 — follows (P155): 25555 Ratnavarma. wikidata.org.
[6] ↑ (25556) 1999 XP169 — followed by (P156): (25557) 1999 XW171. wikidata.org.
[7] ↑ (25556) 1999 XP169 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (25556) 1999 XP169 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (25556) 1999 XP169 — provisional designation (P490): 1974 WV. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (25556) 1999 XP169 — provisional designation (P490): 1978 TM2. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (25556) 1999 XP169 — provisional designation (P490): 1999 XP169. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[12] ↑ (25556) 1999 XP169 — time of discovery or invention (P575): +1999-12-10T00:00:00Z. JPL Small-Body Database. Retrieved 2024-03-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[13] ↑ (25556) 1999 XP169 — JPL Small-Body Database SPK-ID (P716): 20025556. JPL Small-Body Database. Retrieved 2024-03-26. wikidata.org.
[14] ↑ (25556) 1999 XP169 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.25'}. wikidata.org.
[15] ↑ (25556) 1999 XP169 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.2528345'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (25556) 1999 XP169 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.2553242812403562'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (25556) 1999 XP169 — absolute magnitude (P1457): {'unit': '1', 'amount': '+14.7'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (25556) 1999 XP169 — absolute magnitude (P1457): {'unit': '1', 'amount': '+14.91'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (25556) 1999 XP169 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.38530'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (25556) 1999 XP169 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.380070532537819'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (25556) 1999 XP169 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+4.15'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[22] ↑ (25556) 1999 XP169 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1509.814006574099'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[23] ↑ (25556) 1999 XP169 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.03787'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[24] ↑ (25556) 1999 XP169 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+38.95295838783765'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[25] ↑ (25556) 1999 XP169 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.5804708'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[26] ↑ (25556) 1999 XP169 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.57562925160247'}. JPL Small-Body Database. Retrieved 2025-12-26. ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

[1] ↑ (25556) 1999 XP169 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). (25556) 1999 XP169. Retrieved May 3, 2026, from https://4ort.xyz/entity/-25556-1999-xp169

MLA “(25556) 1999 XP169.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-25556-1999-xp169.

BibTeX

@misc{4ortxyz_-25556-1999-xp169_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(25556) 1999 XP169}}, year = {2026}, url = {https://4ort.xyz/entity/-25556-1999-xp169}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (25556) 1999 XP169 — https://4ort.xyz/entity/-25556-1999-xp169 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-25556-1999-xp169 · Last refreshed: May 3, 2026