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(99988) 1981 ET33

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(99988) 1981 ET33

Summary

(99988) 1981 ET33 is an asteroid[1].

Key Facts

  • (99988) 1981 ET33 is credited with the discovery of Schelte J. Bus[2].
  • (99988) 1981 ET33's instance of is recorded as asteroid[3].
  • (99988) 1981 ET33's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (99988) 1981 ET33's follows is recorded as (99987) 1981 EC31[5].
  • (99988) 1981 ET33's followed by is recorded as (99989) 1981 EL35[6].
  • (99988) 1981 ET33's minor planet group is recorded as asteroid belt[7].
  • (99988) 1981 ET33's parent astronomical body is recorded as Sun[8].
  • (99988) 1981 ET33's provisional designation is recorded as 1999 RJ148[9].
  • (99988) 1981 ET33's provisional designation is recorded as 1981 ET33[10].
  • (99988) 1981 ET33's time of discovery or invention is recorded as +1981-03-01T00:00:00Z[11].
  • (99988) 1981 ET33's JPL Small-Body Database SPK-ID is recorded as 20099988[12].
  • (99988) 1981 ET33's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1923459403521882'}[13].
  • (99988) 1981 ET33's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.09'}[14].
  • (99988) 1981 ET33's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.111547418591909'}[15].
  • (99988) 1981 ET33's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1996.340991467438'}[16].
  • (99988) 1981 ET33's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+294.9143693103253'}[17].
  • (99988) 1981 ET33's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.102826783886319'}[18].
  • (99988) 1981 ET33's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.699642919382889'}[19].
  • (99988) 1981 ET33's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.50601064838975'}[20].
  • (99988) 1981 ET33's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.2128014470570514'}[21].
  • (99988) 1981 ET33's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+310.4749110269811'}[22].
  • (99988) 1981 ET33's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+6.301'}[23].
  • (99988) 1981 ET33's Google Knowledge Graph ID is recorded as /g/11ddx56dxn[24].
  • (99988) 1981 ET33's albedo is recorded as {'unit': '1', 'amount': '+0.044'}[25].
  • (99988) 1981 ET33's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet99988Provisional1981ET33"][26].

Body

Designation and Status

(99988) 1981 ET33'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] ↑ . wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . 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). (99988) 1981 ET33. Retrieved May 3, 2026, from https://4ort.xyz/entity/-99988-1981-et33
MLA “(99988) 1981 ET33.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-99988-1981-et33.
BibTeX @misc{4ortxyz_-99988-1981-et33_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(99988) 1981 ET33}}, year = {2026}, url = {https://4ort.xyz/entity/-99988-1981-et33}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (99988) 1981 ET33 — https://4ort.xyz/entity/-99988-1981-et33 (retrieved 2026-05-03)

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