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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .02437651586203751 | 3.0765e-08 | |
a | 2.476869009935046 | 6.257e-09 | au |
q | 2.416491573226176 | 7.8562e-08 | au |
i | 15.87905503584965 | 3.2828e-06 | deg |
node | 178.4646610816354 | 1.3132e-05 | deg |
peri | 54.91734406483802 | 7.9323e-05 | deg |
M | 277.4964099592921 | 7.8236e-05 | deg |
tp | 2459326.804701976167 (2021-Apr-22.30470198) | 0.00030962 | TDB |
period | 1423.813105023183 3.90 | 5.3952e-06 1.477e-08 | d yr |
n | .2528421734073998 | 9.5809e-10 | deg/d |
Q | 2.537246446643917 | 6.4095e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.6 |
|
n/a |
MPO421628 |
|
diameter |
diameter |
81.057 |
km |
0.500 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
22.778 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Menke, J.; Cooney, W.; Gross, J.; Terrell, D. (2008) Minor Planet Bull. 35, 155-160.] [Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.] [Marciniak, A.; Bartczak, P.; Muller, T.; Sanabria, J.J.; et al. (2018) Astron. Astrophys. 610, A7.] |
geometric albedo |
albedo |
0.039 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.698 |
|
0.016 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg. |
U-B |
UB |
0.331 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
|
329 Svea (A892 FG) Discovered 1892-Mar-21 by Wolf, M. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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