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1987 DR1

asteroid
Thing asteroid Q15191490

Facts

24 properties
Instance of
asteroid
Follows
2002 TZ170[3]
Followed by
1999 GN63[4]
Absolute magnitude
+13.72[11]
Albedo
+0.062[22]
Apoapsis
+3.884668220110519[17]
Argument of periapsis
+99.70145170470781[19]
Diameter
+11.663[21]
Discoverer or inventor
Near-Earth Asteroid Tracking[1]
Epoch
June 9, 2026[23]
Longitude of ascending node
+353.2715733734705[15]
Mean anomaly
+54.39686416042139[20]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.2450291123218805[10]
Orbital inclination
+25.43116842944989[12]
Orbital period
+2013.075512604415[13]
Parent astronomical body
Sun[6]
Periapsis
+2.355616736545509[18]
Provisional designation
2002 TD171, 1987 DR1[7][8]
Rotation period
+8.182[14]
Semi-major axis of an orbit
+3.120142478328014[16]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
October 3, 2002[9]
Time of periapsis
+2460896.319457767[24]
🏷️ Also known as
ru 1987 DR1 ru 2002 TD171 zh 小行星78698
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20078698
Minor Planet Center body ID
78698

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References

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

Direct Wikidata claims

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

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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). 1987 DR1. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15191490
MLA “1987 DR1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15191490.
BibTeX @misc{4ortxyz_q15191490_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1987 DR1}}, year = {2026}, url = {https://4ort.xyz/entity/q15191490}, note = {Accessed: 2026-10-29}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · LiMrBot bot · 2026-06-06 view diff on Wikidata ↗
    Absolute magnitude → {'amount': '+13.72'}
    Semi-major axis of an orbit → {'unit': 'Q1811', 'amount': '+3.120142478328014'}
    Parent astronomical body → Sun
    Rotation period → {'unit': 'Q25235', 'amount': '+8.182'}
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 13.77"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.