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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 119 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1598771213351713 | 3.8589e-08 | |
a | 3.183027404113516 | 1.2232e-08 | au |
q | 2.674134145612884 | 1.2152e-07 | au |
i | 4.576477358291801 | 4.2907e-06 | deg |
node | 62.04056081844961 | 5.4698e-05 | deg |
peri | 330.8703398179119 | 5.6295e-05 | deg |
M | 293.4039180622547 | 1.496e-05 | deg |
tp | 2459384.211814715252 (2021-Jun-18.71181472) | 8.7151e-05 | TDB |
period | 2074.239944425286 5.68 | 1.1957e-05 3.274e-08 | d yr |
n | .1735575486180052 | 1.0004e-09 | deg/d |
Q | 3.691920662614149 | 1.4188e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
7.5 |
|
n/a |
MPO492749 |
IRAS observations used: 17 |
diameter |
diameter |
207.869 |
km |
2.158 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
16.210 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pray, D. (2005) Minor Planet Bull. 32, 48-51.] [Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.] |
geometric albedo |
albedo |
0.044 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.743 |
|
0.015 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=4.26, mean=11.70, max.=19.19) deg. |
U-B |
UB |
0.464 |
|
0.022 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=4.26, mean=11.70, max.=19.19) deg. |
Tholen spectral type |
spec_T |
G |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
Cgh |
|
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) |
|
106 Dione (A868 TA) Discovered 1868-Oct-10 by Watson, J. C. at Ann Arbor |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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