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(20400) 1998 OB4

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(20400) 1998 OB4

Summary

(20400) 1998 OB4 is an asteroid[1]. (20400) 1998 OB4 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (20400) 1998 OB4 is credited with the discovery of OCA-DLR Asteroid Survey[3].
  • (20400) 1998 OB4's instance of is recorded as asteroid[4].
  • (20400) 1998 OB4's site of astronomical discovery is recorded as Centre de recherches en géodynamique et astrométrie[5].
  • (20400) 1998 OB4's follows is recorded as 20399 Michaelesser[6].
  • (20400) 1998 OB4's followed by is recorded as (20401) 1998 OX5[7].
  • (20400) 1998 OB4's minor planet group is recorded as asteroid belt[8].
  • (20400) 1998 OB4's parent astronomical body is recorded as Sun[9].
  • (20400) 1998 OB4's provisional designation is recorded as 1994 JD6[10].
  • (20400) 1998 OB4's provisional designation is recorded as 1997 EN50[11].
  • (20400) 1998 OB4's provisional designation is recorded as 1998 OB4[12].
  • (20400) 1998 OB4's time of discovery or invention is recorded as +1998-07-24T00:00:00Z[13].
  • (20400) 1998 OB4's JPL Small-Body Database SPK-ID is recorded as 20020400[14].
  • (20400) 1998 OB4's orbital eccentricity is recorded as {'amount': '+0.09'}[15].
  • (20400) 1998 OB4's orbital eccentricity is recorded as {'amount': '+0.0909421'}[16].
  • (20400) 1998 OB4's orbital eccentricity is recorded as {'amount': '+0.08994012578365887'}[17].
  • (20400) 1998 OB4's absolute magnitude is recorded as {'amount': '+16.0'}[18].
  • (20400) 1998 OB4's absolute magnitude is recorded as {'amount': '+16.16'}[19].
  • (20400) 1998 OB4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.50991'}[20].
  • (20400) 1998 OB4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.512530092203559'}[21].
  • (20400) 1998 OB4's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.3'}[22].
  • (20400) 1998 OB4's orbital period is recorded as {'unit': 'Q573', 'amount': '+1206.761972289803'}[23].
  • (20400) 1998 OB4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+202.79830'}[24].
  • (20400) 1998 OB4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+202.6973898167418'}[25].
  • (20400) 1998 OB4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.2184672'}[26].
  • (20400) 1998 OB4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.218275382027604'}[27].

Body

Designation and Status

(20400) 1998 OB4's instance of is recorded as asteroid[4].

Why It Matters

(20400) 1998 OB4 is known by 3 alternative names across languages and contexts.[2]

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (20400) 1998 OB4. Retrieved May 3, 2026, from https://4ort.xyz/entity/20400-1998-ob4
MLA “(20400) 1998 OB4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/20400-1998-ob4.
BibTeX @misc{4ortxyz_20400-1998-ob4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(20400) 1998 OB4}}, year = {2026}, url = {https://4ort.xyz/entity/20400-1998-ob4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (20400) 1998 OB4 — https://4ort.xyz/entity/20400-1998-ob4 (retrieved 2026-05-03)

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