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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 42 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2736238986070703 | 2.8758e-08 | |
a | 2.795545806813713 | 8.2301e-09 | au |
q | 2.030617664418697 | 7.9024e-08 | au |
i | 11.93901117099624 | 3.4962e-06 | deg |
node | 69.98367793178936 | 1.9168e-05 | deg |
peri | 234.7335373576101 | 2.0535e-05 | deg |
M | 57.40357404408699 | 8.1406e-06 | deg |
tp | 2458928.270755104336 (2020-Mar-19.77075510) | 3.8149e-05 | TDB |
period | 1707.254814607387 4.67 | 7.5393e-06 2.064e-08 | d yr |
n | .2108648321971716 | 9.3119e-10 | deg/d |
Q | 3.560473949208729 | 1.0482e-08 | 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 |
11.22 |
|
n/a |
E2021B10 |
IRAS observations used: 5 |
diameter |
diameter |
37.772 |
km |
0.320 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
8.825 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Barucci, M.A.; Di Martino, M.; Fulchignoni, M. (1992) Astron. J. 103, 1679-1686.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
geometric albedo |
albedo |
0.051 |
|
0.011 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.762 |
|
0.048 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=6.40, mean=8.94, max.=12.24) deg. |
U-B |
UB |
0.358 |
|
0.048 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=7.74, mean=9.79, max.=12.24) deg. |
Tholen spectral type |
spec_T |
CBU |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
|
1693 Hertzsprung (1935 LA) Discovered 1935-May-05 by Van Gent, H. at Johannesburg (LS) |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1935 LA = 1930 HG = 1944 HA = 1950 VM |
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