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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 99 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .0657271897723566 | 3.0702e-08 | |
a | 2.470388143099317 | 5.498e-09 | au |
q | 2.308016472806448 | 7.6645e-08 | au |
i | 4.060819414361712 | 3.3526e-06 | deg |
node | 246.7817108914936 | 4.6129e-05 | deg |
peri | 11.3681057845834 | 5.3692e-05 | deg |
M | 309.6370384537646 | 2.8828e-05 | deg |
tp | 2459398.906080571363 (2021-Jul-03.40608057) | 0.00011368 | TDB |
period | 1418.228531698209 3.88 | 4.7345e-06 1.296e-08 | d yr |
n | .25383779267854 | 8.474e-10 | deg/d |
Q | 2.632759813392185 | 5.8594e-09 | 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 |
10.27 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
50.120 |
km |
0.311 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
11.912 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Pilcher, F.; Benishek, V.; Hills, K. (2015) Minor Planet Bull. 42, 137-139.] |
geometric albedo |
albedo |
0.062 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.830 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=4.89 deg. |
U-B |
UB |
0.340 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=4.89 deg. |
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248 Lameia (A885 LA) Discovered 1885-Jun-05 by Palisa, J. at Vienna |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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