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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08539713156058981 | 4.9458e-08 | |
a | 2.717486763702682 | 2.6108e-08 | au |
q | 2.485421189028603 | 1.3309e-07 | au |
i | 6.168197955557217 | 5.1109e-06 | deg |
node | 91.19069627038644 | 7.195e-05 | deg |
peri | 200.9405185310348 | 8.4569e-05 | deg |
M | 321.0343710385148 | 4.5327e-05 | deg |
tp | 2459377.604164294913 (2021-Jun-12.10416429) | 0.00020663 | TDB |
period | 1636.249711487739 4.48 | 2.358e-05 6.456e-08 | d yr |
n | .2200153176330736 | 3.1707e-09 | deg/d |
Q | 2.949552338376762 | 2.8338e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457521.5 (2016-May-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08439755890983335 | 4.9346e-08 | |
q | 2.488490642122673 | 1.3252e-07 | au |
tp | 2457738.822724928422 (2016-Dec-16.32272493) | 0.00020466 | TDB |
node | 91.20181644751899 | 7.195e-05 | deg |
peri | 200.5089500976691 | 8.4873e-05 | deg |
i | 6.167816628612847 | 5.1105e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
2.435021723939544E-15 |
-6.432878321296802E-15 |
2.93745171575072E-12 |
-3.461130906395863E-14 |
7.213608299378795E-13 |
3.534542309242587E-16 |
q |
-6.432878321296802E-15 |
1.756172535750173E-14 |
-7.272518224221693E-12 |
9.443247394041272E-14 |
-1.822548455917424E-12 |
1.017434497920142E-16 |
tp |
2.93745171575072E-12 |
-7.272518224221693E-12 |
4.188417653619296E-8 |
5.091459211469489E-11 |
9.301863260847481E-9 |
-9.551140106254979E-14 |
node |
-3.461130906395863E-14 |
9.443247394041272E-14 |
5.091459211469489E-11 |
5.176834850975617E-9 |
-5.135849676471291E-9 |
-6.890783071384517E-12 |
peri |
7.213608299378795E-13 |
-1.822548455917424E-12 |
9.301863260847481E-9 |
-5.135849676471291E-9 |
7.203484789737122E-9 |
6.795008162689454E-12 |
i |
3.534542309242587E-16 |
1.017434497920142E-16 |
-9.551140106254979E-14 |
-6.890783071384517E-12 |
6.795008162689454E-12 |
2.611670680745435E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.63 |
|
n/a |
E2021B25 |
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rotation period |
rot_per |
5.40 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
lower-limit; Incomplete or inconclusive result. Published Reference List: [Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.] |
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469088 (2015 BM346) Discovered 1998-Apr-22 by Spacewatch at Kitt Peak |
Reference: | Last Updated: 2016-06-21 |
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Alternate Designations
2015 BM346 = 1998 HY30 = 2012 MM8 |
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