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287 Nephthys

main-belt asteroid
Asteroid Q150256

Facts

27 properties

Identity

Instance of
asteroid
More facts +26
Follows
286 Iclea[5]
Followed by
288 Glauke[6]
Absolute magnitude
8.26[14]
Albedo
0.238
Apoapsis
2.408713908406618 au[21]
Argument of periapsis
122.6317283074214°
Asteroid spectral type
S-type asteroid[11]
Diameter
59.615 km
Discoverer or inventor
Christian Heinrich Friedrich Peters[2]
Epoch
November 21, 2025
Longitude of ascending node
142.2291164942444°[19]
Mean anomaly
332.6410489085376°
Minor planet group
asteroid belt[7]
Named after
Nephthys[4]
Orbital eccentricity
0.02371253124950252[13]
Orbital inclination
10.023°, 10.03368070770138°[15][16]
Orbital period
1,318.28474988953 day[17]
Parent astronomical body
Sun[8]
Periapsis
2.297126520188386 au
Provisional designation
A889 QA[9]
Rotation period
7.605 h[18]
Semi-major axis of an orbit
2.352920214297502 au[20]
Significant event
naming[12]
Site of astronomical discovery
Litchfield Observatory[3]
Time of discovery or invention
August 25, 1889[10]
Time of periapsis
2,461,100.6857999912 Julian day
🏷️ Also known as
en (287) Nephthys en Nephthys en 287 Nephthys de 287 Nephthys el 287 Νέφθυς fa سیارک ۲۸۷ fr 287 Nephthys fr Nephthys ja ネフティス ru (287) Nephthys ru (287) Нефтида ru Nephthys ru Нефтида uk 287 Нефтида vi (287) Nephthys vi A889 QA vi Nephthys zh 小行星287
🔖 Identifiers · 6
Image (Wikimedia Commons)
000287-asteroid shape model (287) Nephthys.png ↗
DAMIT asteroid ID
599
Freebase ID
/m/0581cb
JPL Small-Body Database SPK-ID
20000287
Minor Planet Center body ID
287
Wolfram Language entity code
Entity["MinorPlanet", "Nephthys"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Asteroid spectral type 1
S-type asteroid
Discoverer or inventor 1
Christian Heinrich Friedrich Peters
Epoch 1
November 21, 2025
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Nephthys
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Litchfield Observatory
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Summary

287 Nephthys is an asteroid[1].

Related Entities

Christian Heinrich Friedrich Peters

References

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

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . Dictionary of Minor Planet Names (Sixth Revised and Enlarged Edition). wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . 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.

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). 287 Nephthys. Retrieved November 14, 2026, from https://4ort.xyz/entity/287-nephthys
MLA “287 Nephthys.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Nov. 2026, https://4ort.xyz/entity/287-nephthys.
BibTeX @misc{4ortxyz_287-nephthys_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{287 Nephthys}}, year = {2026}, url = {https://4ort.xyz/entity/287-nephthys}, note = {Accessed: 2026-11-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 287 Nephthys — https://4ort.xyz/entity/287-nephthys (retrieved 2026-11-14)

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