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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 39 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08180840355021178 | 2.3109e-08 | |
a | 3.155472687135492 | 1.2476e-08 | au |
q | 2.897328504154641 | 7.0537e-08 | au |
i | 21.61079695584665 | 4.0973e-07 | deg |
node | 330.1704882993947 | 1.5964e-06 | deg |
peri | 13.06127859816077 | 1.13e-05 | deg |
M | 46.16220035597912 | 9.2907e-06 | deg |
tp | 2458937.969923075336 (2020-Mar-29.46992308) | 5.2616e-05 | TDB |
period | 2047.364011335253 5.61 | 1.2142e-05 3.324e-08 | d yr |
n | .1758358543018516 | 1.0428e-09 | deg/d |
Q | 3.413616870116344 | 1.3496e-08 | 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 |
11.41 |
|
n/a |
E2020-QM5 |
|
diameter |
diameter |
31.303 |
km |
0.128 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
12.22 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Warner, B.D. (2004) Minor Planet Bull. 31, 19-22.] [Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.] [Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.093 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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4209 Briggs (1986 TG4) Discovered 1986-Oct-04 by Helin, E. at Palomar |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1986 TG4 = 1969 SB = 1978 EL8 = 1986 WD5 = 1989 CO4 |
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