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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 63 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2318947118171011 | 4.121e-08 | |
a | 2.22841607409815 | 5.9921e-09 | au |
q | 1.711658170786564 | 9.1746e-08 | au |
i | 5.712165257898569 | 3.2521e-06 | deg |
node | 275.1239771124662 | 4.2714e-05 | deg |
peri | 91.19845068042007 | 4.3146e-05 | deg |
M | 95.86321747252762 | 7.0323e-06 | deg |
tp | 2458876.949294599808 (2020-Jan-28.44929460) | 2.3199e-05 | TDB |
period | 1215.046365175978 3.33 | 4.9008e-06 1.342e-08 | d yr |
n | .2962849898718559 | 1.195e-09 | deg/d |
Q | 2.745173977409736 | 7.3816e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2456793.5 (2014-May-16.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2322809392146616 | 4.1221e-08 | |
q | 1.710990512402631 | 9.1831e-08 | au |
tp | 2456447.757454160346 (2013-Jun-04.25745416) | 2.1317e-05 | TDB |
node | 275.2026244265249 | 4.2735e-05 | deg |
peri | 91.2077725488714 | 4.316e-05 | deg |
i | 5.710578418124875 | 3.2515e-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 |
1.699204719183318E-15 |
-3.78061938025489E-15 |
-1.035005483763727E-13 |
1.182748353202333E-14 |
-6.296170867138178E-14 |
-5.163081563804589E-15 |
q |
-3.78061938025489E-15 |
8.432852339033296E-15 |
2.250715678528948E-13 |
-2.617408183286022E-14 |
1.389129927065152E-13 |
1.152996624598744E-14 |
tp |
-1.035005483763727E-13 |
2.250715678528948E-13 |
4.544241109336785E-10 |
2.28425859055278E-12 |
1.462140673935035E-10 |
3.927846080460782E-13 |
node |
1.182748353202333E-14 |
-2.617408183286022E-14 |
2.28425859055278E-12 |
1.826272034136035E-9 |
-1.816584926501475E-9 |
1.429661201916221E-11 |
peri |
-6.296170867138178E-14 |
1.389129927065152E-13 |
1.462140673935035E-10 |
-1.816584926501475E-9 |
1.862815553932702E-9 |
-1.402873214435152E-11 |
i |
-5.163081563804589E-15 |
1.152996624598744E-14 |
3.927846080460782E-13 |
1.429661201916221E-11 |
-1.402873214435152E-11 |
1.057209633744441E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.6 |
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n/a |
MPO279543 |
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rotation period |
rot_per |
2.44967 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pray, D.; Pravec, P.; Pikler, M.; Husarik, M.; et al. (2006) CBET 617.] [Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.] |
SMASSII spectral type |
spec_B |
Sa |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
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2754 Efimov (1966 PD) Discovered 1966-Aug-13 by Smirnova, T. at Nauchnyj |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1966 PD = 1933 WF = 1966 RB = 1973 YR1 |
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