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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 113 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05888228862731659 | 3.4857e-08 | |
a | 2.737416847426264 | 7.7771e-09 | au |
q | 2.576231478522832 | 9.5509e-08 | au |
i | 3.172120498014531 | 4.085e-06 | deg |
node | 347.7201830893624 | 7.0058e-05 | deg |
peri | 59.85384174168718 | 7.8765e-05 | deg |
M | 33.09686450420756 | 3.5402e-05 | deg |
tp | 2459048.412268618282 (2020-Jul-17.91226862) | 0.00016264 | TDB |
period | 1654.283090486051 4.53 | 7.0499e-06 1.93e-08 | d yr |
n | .2176169254648109 | 9.2739e-10 | deg/d |
Q | 2.898602216329696 | 8.2351e-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 |
8.85 |
|
n/a |
E2021B10 |
IRAS observations used: 13 |
diameter |
diameter |
124.592 |
km |
1.079 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
24.052 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pilcher, F.; Ferrero, A.; Hamanowa, H; Hamanowa, H. (2012) Minor Planet Bull. 39, 99.] |
geometric albedo |
albedo |
0.036 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.702 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=8.37 deg. |
U-B |
UB |
0.293 |
|
0.036 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=6.14, mean=7.26, max.=8.37) deg. |
Tholen spectral type |
spec_T |
DCX: |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
|
203 Pompeja (A879 SA) Discovered 1879-Sep-25 by Peters, C. H. F. at Clinton |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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