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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 46 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1396546636666455 | 7.9289e-09 | |
a | 2.60309672292454 | 1.0558e-08 | au |
q | 2.239562125592766 | 1.8701e-08 | au |
i | 15.39274219667933 | 9.1316e-07 | deg |
node | 79.498847145437 | 4.8417e-06 | deg |
peri | 332.0948833461179 | 1.2063e-05 | deg |
M | 112.0194424317789 | 9.2713e-06 | deg |
tp | 2458723.163338941764 (2019-Aug-27.66333894) | 3.8679e-05 | TDB |
period | 1534.030113438729 4.20 | 9.3332e-06 2.555e-08 | d yr |
n | .2346759668185476 | 1.4278e-09 | deg/d |
Q | 2.966631320256314 | 1.2033e-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 |
11.85 |
|
n/a |
E2021B10 |
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diameter |
diameter |
15.460 |
km |
0.130 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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rotation period |
rot_per |
12.6603 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Benishek, V. (2016) Minor Planet Bull. 43, 339-342.] |
geometric albedo |
albedo |
0.169 |
|
0.021 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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2904 Millman (1981 YB) Discovered 1981-Dec-20 by Bowell, E. at Flagstaff (AM) |
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1981 YB = 1939 VF = 1939 XG = 1960 WO = 1960 XB = 1981 WK9 |
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