Home › Entities › asteroid › (99978) 1981 ER13

(99978) 1981 ER13

asteroid
Place asteroid Q28518387
Press Enter · cited answer in seconds

(99978) 1981 ER13

Summary

(99978) 1981 ER13 is an asteroid[1].

Key Facts

  • (99978) 1981 ER13 is credited with the discovery of Schelte J. Bus[2].
  • (99978) 1981 ER13's instance of is recorded as asteroid[3].
  • (99978) 1981 ER13's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (99978) 1981 ER13's follows is recorded as (99977) 1981 ET12[5].
  • (99978) 1981 ER13's followed by is recorded as (99979) 1981 EE16[6].
  • (99978) 1981 ER13's minor planet group is recorded as asteroid belt[7].
  • (99978) 1981 ER13's parent astronomical body is recorded as Sun[8].
  • (99978) 1981 ER13's provisional designation is recorded as 2001 XZ188[9].
  • (99978) 1981 ER13's provisional designation is recorded as 1981 ER13[10].
  • (99978) 1981 ER13's time of discovery or invention is recorded as +1981-03-01T00:00:00Z[11].
  • (99978) 1981 ER13's JPL Small-Body Database SPK-ID is recorded as 20099978[12].
  • (99978) 1981 ER13's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1032698102519662'}[13].
  • (99978) 1981 ER13's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.34'}[14].
  • (99978) 1981 ER13's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.196322131915982'}[15].
  • (99978) 1981 ER13's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1572.063674546946'}[16].
  • (99978) 1981 ER13's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+6.96'}[17].
  • (99978) 1981 ER13's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+281.6642904650006'}[18].
  • (99978) 1981 ER13's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.6459469782608'}[19].
  • (99978) 1981 ER13's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.919193420642556'}[20].
  • (99978) 1981 ER13's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.372700535879043'}[21].
  • (99978) 1981 ER13's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+193.9114016542901'}[22].
  • (99978) 1981 ER13's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+193.165729849872'}[23].
  • (99978) 1981 ER13's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+3.693'}[24].
  • (99978) 1981 ER13's Google Knowledge Graph ID is recorded as /g/11c2nh8f8k[25].
  • (99978) 1981 ER13's albedo is recorded as {'unit': '1', 'amount': '+0.052'}[26].

Body

Designation and Status

(99978) 1981 ER13's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . 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). (99978) 1981 ER13. Retrieved May 3, 2026, from https://4ort.xyz/entity/-99978-1981-er13
MLA “(99978) 1981 ER13.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-99978-1981-er13.
BibTeX @misc{4ortxyz_-99978-1981-er13_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(99978) 1981 ER13}}, year = {2026}, url = {https://4ort.xyz/entity/-99978-1981-er13}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (99978) 1981 ER13 — https://4ort.xyz/entity/-99978-1981-er13 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-99978-1981-er13 · Last refreshed: