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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 73 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2406932429280603 | 3.3987e-08 | |
a | 2.756078375920511 | 6.0436e-09 | au |
q | 2.092708933856302 | 9.4354e-08 | au |
i | 8.204251794954912 | 4.6417e-06 | deg |
node | 354.5075577960296 | 2.8241e-05 | deg |
peri | 79.4087456642805 | 2.9834e-05 | deg |
M | 12.56000144118918 | 9.4717e-06 | deg |
tp | 2459142.192696035058 (2020-Oct-19.69269603) | 4.3916e-05 | TDB |
period | 1671.228265829865 4.58 | 5.4971e-06 1.505e-08 | d yr |
n | .2154104303766298 | 7.0854e-10 | deg/d |
Q | 3.419447817984721 | 7.4983e-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 |
8.43 |
|
n/a |
E2021B10 |
IRAS observations used: 19 |
diameter |
diameter |
145.503 |
km |
1.441 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
31.701 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.] [Pilcher, F. (2017) Minor Planet Bull. 44, 294-297.] |
geometric albedo |
albedo |
0.065 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.733 |
|
0.033 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=7.62, mean=14.60, max.=19.11) deg. |
U-B |
UB |
0.349 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=7.62, mean=14.60, max.=19.11) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
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356 Liguria (A893 BE) Discovered 1893-Jan-21 by Charlois, A. at Nice |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
A893 BE = 1951 WU2 = 1953 FX1 = A893 CA |
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