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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 42 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .194085769347936 | 1.3982e-08 | |
a | 2.2129536027533 | 5.6897e-09 | au |
q | 1.783450800231639 | 3.0059e-08 | au |
i | 4.767466993200422 | 1.2315e-06 | deg |
node | 153.6632665216996 | 1.3549e-05 | deg |
peri | 116.3885885383482 | 1.8928e-05 | deg |
M | 304.4112055009869 | 7.8749e-06 | deg |
tp | 2459386.169960442803 (2021-Jun-20.66996044) | 2.6618e-05 | TDB |
period | 1202.421933445523 3.29 | 4.6373e-06 1.27e-08 | d yr |
n | .2993957362108534 | 1.1547e-09 | deg/d |
Q | 2.642456405274962 | 6.794e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.21 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
4.078 |
km |
0.187 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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geometric albedo |
albedo |
0.222 |
|
0.041 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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12225 Yanfernández | Discovered 1985 Aug. 14 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory. |
Yanga R. Fernández (b. 1971) completed his thesis on the albedo and size distribution of cometary nuclei at the University of Maryland in 1999. Since then, at the University of Hawaii, he has measured albedos of other small bodies, recovered comets and discovered new jovian satellites. The name was suggested by M. F. A'Hearn. |
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
Reference: 20011130/MPCPages.arc | Last Updated: 2009-05-11 |
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Alternate Designations
1985 PQ = 1978 JM1 = 1991 ED1 |
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