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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 108 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .102114870972778 | 3.2863e-08 | |
a | 2.595920754777267 | 5.9547e-09 | au |
q | 2.330838641847631 | 8.5003e-08 | au |
i | 4.933028982539338 | 3.6813e-06 | deg |
node | 305.7104632266589 | 3.6917e-05 | deg |
peri | 166.9836715820035 | 4.0344e-05 | deg |
M | 160.3595165775856 | 1.7228e-05 | deg |
tp | 2458320.000499906505 (2018-Jul-20.50049991) | 7.2337e-05 | TDB |
period | 1527.691185793338 4.18 | 5.2565e-06 1.439e-08 | d yr |
n | .2356497198830469 | 8.1082e-10 | deg/d |
Q | 2.861002867706904 | 6.5627e-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 |
8.2 |
|
n/a |
MPO473761 |
IRAS observations used: 3 |
diameter |
diameter |
126.344 |
km |
0.233 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
22.072 |
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.] [Pilcher, F. (2010) Minor Planet Bull. 37, 119-122.] [Pilcher, F. (2011) Minor Planet Bull. 38, 183-185.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.062 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.690 |
|
0.012 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=11.71, mean=18.59, max.=24.92) deg. |
U-B |
UB |
0.389 |
|
0.016 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=11.71, mean=19.20, max.=24.92) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
Ch |
|
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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111 Ate (A870 PA) Discovered 1870-Aug-14 by Peters, C. H. F. at Clinton |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A870 PA = 1935 AA = A911 KE |
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