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(152704) 1998 SD4

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Place asteroid Q4541569
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(152704) 1998 SD4

Summary

(152704) 1998 SD4 is an asteroid[1]. (152704) 1998 SD4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • (152704) 1998 SD4 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[3].
  • (152704) 1998 SD4's instance of is recorded as asteroid[4].
  • (152704) 1998 SD4's site of astronomical discovery is recorded as Xinglong Station[5].
  • (152704) 1998 SD4's follows is recorded as (152703) 1998 RJ79[6].
  • (152704) 1998 SD4's followed by is recorded as (152705) 1998 SY37[7].
  • (152704) 1998 SD4's minor planet group is recorded as Mars-crossing asteroid[8].
  • (152704) 1998 SD4's parent astronomical body is recorded as Sun[9].
  • (152704) 1998 SD4's provisional designation is recorded as 1998 SD4[10].
  • (152704) 1998 SD4's time of discovery or invention is recorded as +1998-09-17T00:00:00Z[11].
  • (152704) 1998 SD4's JPL Small-Body Database SPK-ID is recorded as 20152704[12].
  • (152704) 1998 SD4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1254521385278326'}[13].
  • (152704) 1998 SD4's absolute magnitude is recorded as {'unit': '1', 'amount': '+18.55'}[14].
  • (152704) 1998 SD4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.6729284674201'}[15].
  • (152704) 1998 SD4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+680.9693501487731'}[16].
  • (152704) 1998 SD4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+181.7567006746389'}[17].
  • (152704) 1998 SD4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.5147911489501'}[18].
  • (152704) 1998 SD4's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.704824938008923'}[19].
  • (152704) 1998 SD4's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.324757359891278'}[20].
  • (152704) 1998 SD4's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+144.2017140822567'}[21].
  • (152704) 1998 SD4's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+234.9470568012377'}[22].
  • (152704) 1998 SD4's Minor Planet Center body ID is recorded as 152704[23].
  • (152704) 1998 SD4's epoch is recorded as November 21, 2025[24].
  • (152704) 1998 SD4's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461237.047837401'}[25].

Body

Designation and Status

(152704) 1998 SD4's instance of is recorded as asteroid[4].

Why It Matters

(152704) 1998 SD4 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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 . wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . 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] ↑ . Wikimedia Foundation. dumps.wikimedia.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). (152704) 1998 SD4. Retrieved May 3, 2026, from https://4ort.xyz/entity/-152704-1998-sd4
MLA “(152704) 1998 SD4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-152704-1998-sd4.
BibTeX @misc{4ortxyz_-152704-1998-sd4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(152704) 1998 SD4}}, year = {2026}, url = {https://4ort.xyz/entity/-152704-1998-sd4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (152704) 1998 SD4 — https://4ort.xyz/entity/-152704-1998-sd4 (retrieved 2026-05-03)

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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. 19w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+
    Argument of periapsis → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Mean anomaly → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Epoch → November 21, 2025
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.