59 Elpis

main-belt asteroid

Place Asteroid Q155717

Facts

31 properties

Identity

Instance of: asteroid

More facts +30

Follows: 58 Concordia^[5]
Followed by: 60 Echo^[6]
Absolute magnitude: 8.1^[16]
Albedo: 0.044
Apoapsis: 3.030144215343161
Argument of periapsis: 211.141997620382
Asteroid spectral type: C-type asteroid, B-type asteroid^[12]^[13]
Density: 1.3^[19]
Diameter: 165.119
Discoverer or inventor: Jean Chacornac^[2]
Epoch: November 21, 2025
Longitude of ascending node: 169.9089767361928
Mass: 3000000000000000000^[20]
Mean anomaly: 328.2884898134642
Minor planet group: asteroid belt^[7]
Named after: Elpis^[4]
Orbital eccentricity: 0.1166273797226264^[15]
Orbital inclination: 8.631, 8.648275690030008^[17]^[18]
Orbital period: 1632.792383898344
Parent astronomical body: Sun^[8]
Periapsis: 2.397170698063061
Provisional designation: A900 SC, A860 RA^[9]^[10]
Rotation period: 13.671
Semi-major axis of an orbit: 2.713657456703111
Significant event: naming^[14]
Site of astronomical discovery: Paris Observatory, PSL University^[3]
Surface gravity: 0.0461
Temperature: 169.0^[21]
Time of discovery or invention: September 12, 1860^[11]
Time of periapsis: 2461144.328645318

🏷️ Also known as

en (59) Elpis en Elpis en 59 Elpis de 59 Elpis el 59 Ελπίς fa سیارک ۵۹ fr 59 Elpis fr Elpis ja エルピス ru (59) Elpis ru (59) Элпида ru A900 SC ru Elpis ru Элпида uk 59 Елпіс vi (59) Elpis vi A860 RA vi Elpis zh 乾神星

🔖 Identifiers · 4

Freebase ID: /m/036v4z
JPL Small-Body Database SPK-ID: 20000059
Minor Planet Center body ID: 59
Wolfram Language entity code: Entity["MinorPlanet", "Elpis"]

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

🔗 Connections

Asteroid spectral type 2

C-type asteroid, B-type asteroid

Discoverer or inventor 1

Jean Chacornac

Epoch 1

November 21, 2025

Followed by 1

60 Echo

Followed by (predecessor) 1

60 Echo

Follows 1

58 Concordia

Instance of 1

asteroid

Minor planet group 1

asteroid belt

Named after 1

Elpis

Parent astronomical body 1

Sun

Preceded by (successor) 1

58 Concordia

Site of astronomical discovery 1

Paris Observatory, PSL University

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Summary

59 Elpis is an asteroid^[1].

References

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

Direct Wikidata claims

[2] ↑ 59 Elpis — discoverer or inventor (P61): Jean Chacornac. Minor Planet Center database. Retrieved 2024-01-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[3] ↑ 59 Elpis — site of astronomical discovery (P65): Paris Observatory, PSL University. JPL Small-Body Database. Retrieved 2024-01-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ 59 Elpis — named after (P138): Elpis. Dictionary of Minor Planet Names (Sixth Revised and Enlarged Edition). wikidata.org.
[5] ↑ 59 Elpis — follows (P155): 58 Concordia. Minor Planet Center database. wikidata.org.
[6] ↑ 59 Elpis — followed by (P156): 60 Echo. Minor Planet Center database. wikidata.org.
[7] ↑ 59 Elpis — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2023-10-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ 59 Elpis — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ 59 Elpis — provisional designation (P490): A900 SC. JPL Small-Body Database. Retrieved 2023-10-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ 59 Elpis — provisional designation (P490): A860 RA. JPL Small-Body Database. Retrieved 2023-10-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ 59 Elpis — time of discovery or invention (P575): September 12, 1860. JPL Small-Body Database. Retrieved 2023-10-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[12] ↑ 59 Elpis — asteroid spectral type (P720): C-type asteroid. JPL Small-Body Database. Retrieved 2023-10-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[13] ↑ 59 Elpis — asteroid spectral type (P720): B-type asteroid. JPL Small-Body Database. Retrieved 2024-01-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[14] ↑ 59 Elpis — significant event (P793): naming. wikidata.org.
[15] ↑ 59 Elpis — orbital eccentricity (P1096): {'amount': '+0.1166273797226264'}. JPL Small-Body Database. Retrieved 2025-10-07. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[16] ↑ 59 Elpis — absolute magnitude (P1457): {'amount': '+8.1'}. JPL Small-Body Database. Retrieved 2025-10-07. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ 59 Elpis — orbital inclination (P2045): 8.631 degree. wikidata.org.
[18] ↑ 59 Elpis — orbital inclination (P2045): 8.648275690030008 degree. JPL Small-Body Database. Retrieved 2025-10-07. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ 59 Elpis — density (P2054): 1.30 gram per cubic centimetre. JPL Small-Body Database. wikidata.org.
[20] ↑ 59 Elpis — mass (P2067): 3000000000000000000 kg. JPL Small-Body Database. arxiv.org. Provenance: wikidata.org.
[21] ↑ 59 Elpis — temperature (P2076): 169 K. wikidata.org.

Class ancestry

[1] ↑ 59 Elpis is an instance of asteroid (Q3863) [P31, primary]. 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). 59 Elpis. Retrieved November 11, 2026, from https://4ort.xyz/entity/59-elpis

MLA “59 Elpis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/59-elpis.

BibTeX

@misc{4ortxyz_59-elpis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{59 Elpis}}, year = {2026}, url = {https://4ort.xyz/entity/59-elpis}, note = {Accessed: 2026-11-11}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 59 Elpis — https://4ort.xyz/entity/59-elpis (retrieved 2026-11-11)

Canonical URL: https://4ort.xyz/entity/59-elpis · Last refreshed: November 11, 2026