(17981) 1999 JZ56

asteroid

Place asteroid Q22345160

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(17981) 1999 JZ56

Summary

(17981) 1999 JZ56 is an asteroid^[1].

Key Facts

(17981) 1999 JZ56 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(17981) 1999 JZ56's instance of is recorded as asteroid^[3].
(17981) 1999 JZ56's site of astronomical discovery is recorded as Magdalena Ridge Observatory^[4].
(17981) 1999 JZ56's follows is recorded as 17980 Vanschaik^[5].
(17981) 1999 JZ56's followed by is recorded as 17982 Simcmillan^[6].
(17981) 1999 JZ56's minor planet group is recorded as asteroid belt^[7].
(17981) 1999 JZ56's parent astronomical body is recorded as Sun^[8].
(17981) 1999 JZ56's provisional designation is recorded as 2000 NP25^[9].
(17981) 1999 JZ56's provisional designation is recorded as 1999 JZ56^[10].
(17981) 1999 JZ56's provisional designation is recorded as 1998 FK20^[11].
(17981) 1999 JZ56's provisional designation is recorded as 1990 TV7^[12].
(17981) 1999 JZ56's provisional designation is recorded as 1979 VV2^[13].
(17981) 1999 JZ56's time of discovery or invention is recorded as +1999-05-10T00:00:00Z^[14].
(17981) 1999 JZ56's JPL Small-Body Database SPK-ID is recorded as 20017981^[15].
(17981) 1999 JZ56's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.07'}^[16].
(17981) 1999 JZ56's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0742469'}^[17].
(17981) 1999 JZ56's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.07473090627482865'}^[18].
(17981) 1999 JZ56's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.2'}^[19].
(17981) 1999 JZ56's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.31'}^[20].
(17981) 1999 JZ56's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.50033'}^[21].
(17981) 1999 JZ56's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.495090694221242'}^[22].
(17981) 1999 JZ56's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.62'}^[23].
(17981) 1999 JZ56's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2052.469966273158'}^[24].
(17981) 1999 JZ56's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+3.134'}^[25].
(17981) 1999 JZ56's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.65406'}^[26].

Body

Designation and Status

(17981) 1999 JZ56's instance of is recorded as asteroid^[3].

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Quick Facts

Instance of asteroid

Follows 17980 Vanschaik

Followed by 17982 Simcmillan

Properties

Absolute magnitude unit: 1, amount: +13.2, unit: 1, amount: +13.31

Albedo unit: 1, amount: +0.070

Apoapsis unit: www.wikidata.org, amount: +3.395, unit: www.wikidata.org, amount: +3.396920065918775

Argument of periapsis unit: www.wikidata.org, amount: +47.40765, unit: www.wikidata.org, amount: +43.72868706912335

Diameter unit: www.wikidata.org, amount: +9.965

Discoverer or inventor Lincoln Near-Earth Asteroid Research

Epoch November 21, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +42.65406, unit: www.wikidata.org, amount: +42.5190664600087

Mean anomaly unit: www.wikidata.org, amount: +340.43062, unit: www.wikidata.org, amount: +45.30004146198355

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.07, unit: 1, amount: +0.0742469, unit: 1, amount: +0.07473090627482865

Orbital inclination unit: www.wikidata.org, amount: +1.50033, unit: www.wikidata.org, amount: +1.495090694221242

Orbital period unit: www.wikidata.org, amount: +5.62, unit: www.wikidata.org, amount: +2052.469966273158

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +2.9256108, unit: www.wikidata.org, amount: +2.924513599170446

Provisional designation 2000 NP25, 1999 JZ56, 1998 FK20, 1990 TV7, 1979 VV2

Rotation period unit: www.wikidata.org, amount: +3.134

Semi-major axis of an orbit unit: www.wikidata.org, amount: +3.1602495, unit: www.wikidata.org, amount: +3.160716832544611

Site of astronomical discovery Magdalena Ridge Observatory

Time of discovery or invention May 10, 1999

Time of periapsis unit: www.wikidata.org, amount: +2460742.23062619

External References (4)

Google knowledge graph id /g/11gk8wsn4r

Jpl small-body database spk-id 20017981

Minor planet center body id 17981

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet17981Provisional1999JZ56"]

🌐 Available in 4 languages

ce(17981) 1999 JZ56 eo(17981) 1999 JZ56 fr(17981) 1999 JZ56 tt(17981) 1999 JZ56

References

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

Direct Wikidata claims

[3] ↑ (17981) 1999 JZ56 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (17981) 1999 JZ56 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (17981) 1999 JZ56 — site of astronomical discovery (P65): Magdalena Ridge Observatory. wikidata.org.
[5] ↑ (17981) 1999 JZ56 — follows (P155): 17980 Vanschaik. wikidata.org.
[6] ↑ (17981) 1999 JZ56 — followed by (P156): 17982 Simcmillan. wikidata.org.
[7] ↑ (17981) 1999 JZ56 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (17981) 1999 JZ56 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (17981) 1999 JZ56 — provisional designation (P490): 2000 NP25. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (17981) 1999 JZ56 — provisional designation (P490): 1999 JZ56. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (17981) 1999 JZ56 — provisional designation (P490): 1998 FK20. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[12] ↑ (17981) 1999 JZ56 — provisional designation (P490): 1990 TV7. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[13] ↑ (17981) 1999 JZ56 — provisional designation (P490): 1979 VV2. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[14] ↑ (17981) 1999 JZ56 — time of discovery or invention (P575): +1999-05-10T00:00:00Z. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (17981) 1999 JZ56 — JPL Small-Body Database SPK-ID (P716): 20017981. JPL Small-Body Database. Retrieved 2023-12-15. wikidata.org.
[16] ↑ (17981) 1999 JZ56 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.07'}. wikidata.org.
[17] ↑ (17981) 1999 JZ56 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.0742469'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (17981) 1999 JZ56 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.07473090627482865'}. JPL Small-Body Database. Retrieved 2025-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (17981) 1999 JZ56 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.2'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (17981) 1999 JZ56 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.31'}. JPL Small-Body Database. Retrieved 2025-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (17981) 1999 JZ56 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.50033'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[22] ↑ (17981) 1999 JZ56 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.495090694221242'}. JPL Small-Body Database. Retrieved 2025-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[23] ↑ (17981) 1999 JZ56 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.62'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[24] ↑ (17981) 1999 JZ56 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2052.469966273158'}. JPL Small-Body Database. Retrieved 2025-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[25] ↑ (17981) 1999 JZ56 — rotation period (P2147): {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+3.134'}. JPL Small-Body Database. Retrieved 2023-12-15. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[26] ↑ (17981) 1999 JZ56 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.65406'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

[1] ↑ (17981) 1999 JZ56 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). (17981) 1999 JZ56. Retrieved May 3, 2026, from https://4ort.xyz/entity/-17981-1999-jz56

MLA “(17981) 1999 JZ56.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-17981-1999-jz56.

BibTeX

@misc{4ortxyz_-17981-1999-jz56_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(17981) 1999 JZ56}}, year = {2026}, url = {https://4ort.xyz/entity/-17981-1999-jz56}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (17981) 1999 JZ56 — https://4ort.xyz/entity/-17981-1999-jz56 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-17981-1999-jz56 · Last refreshed: May 3, 2026