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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 45 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3497691541663898 | 3.4103e-08 | |
a | 2.792681089442368 | 9.4992e-09 | au |
q | 1.815887386931639 | 9.4865e-08 | au |
i | 26.38815597308126 | 3.479e-06 | deg |
node | 141.904051221783 | 9.2709e-06 | deg |
peri | 264.0825534599353 | 1.0598e-05 | deg |
M | 230.8424327171676 | 8.9028e-06 | deg |
tp | 2459612.072288957202 (2022-Feb-01.57228896) | 4.4463e-05 | TDB |
period | 1704.63123962739 4.67 | 8.6974e-06 2.381e-08 | d yr |
n | .2111893714201151 | 1.0775e-09 | deg/d |
Q | 3.769474791953098 | 1.2822e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.6 |
|
n/a |
MPO492750 |
IRAS observations used: 7 |
diameter |
diameter |
32.927 |
km |
0.168 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
11.77 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.] [Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] |
geometric albedo |
albedo |
0.227 |
|
0.038 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.842 |
|
0.046 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=3.18, mean=3.66, max.=4.14) deg. |
U-B |
UB |
0.359 |
|
0.032 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=3.18, mean=3.66, max.=4.14) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
SMASSII spectral type |
spec_B |
S |
|
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) |
|
183 Istria (A878 CD) Discovered 1878-Feb-08 by Palisa, J. at Pola |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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