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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 41 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2235658471341924 | 3.2302e-08 | |
a | 2.353573267506315 | 4.4114e-09 | au |
q | 1.827394666163876 | 7.6212e-08 | au |
i | 10.86373776557117 | 3.8375e-06 | deg |
node | 200.810952188443 | 1.8289e-05 | deg |
peri | 142.7273610416912 | 1.9961e-05 | deg |
M | 260.1466816507287 | 9.4331e-06 | deg |
tp | 2459366.305315585428 (2021-May-31.80531559) | 3.4997e-05 | TDB |
period | 1318.833623036177 3.61 | 3.7079e-06 1.015e-08 | d yr |
n | .2729684728322435 | 7.6745e-10 | deg/d |
Q | 2.879751868848753 | 5.3976e-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 |
9.2 |
|
n/a |
MPO473763 |
IRAS observations used: 17 |
diameter |
diameter |
37.674 |
km |
0.509 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
59.74 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.189 |
|
0.019 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.905 |
|
0.005 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=8.00, mean=8.81, max.=10.81) deg. |
U-B |
UB |
0.482 |
|
0.014 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=8.00, mean=8.98, max.=10.81) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
|
219 Thusnelda (A880 SA) Discovered 1880-Sep-30 by Palisa, J. at Pola |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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