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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 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09253687837983879 | 3.2448e-08 | |
| a | 2.61823387984947 | 1.0864e-08 | au |
| q | 2.375950689739866 | 8.3005e-08 | au |
| i | 4.540343001328768 | 4.852e-06 | deg |
| node | 352.3933730388489 | 3.8479e-05 | deg |
| peri | 282.7371578862461 | 4.8536e-05 | deg |
| M | 111.9773104396822 | 2.7496e-05 | deg |
| tp | 2458519.174782632213
(2019-Feb-04.67478263) | 0.00011891 | TDB |
| period | 1547.430256826366
4.24 | 9.6314e-06
2.637e-08 | d
yr |
| n | .2326437643389022 | 1.448e-09 | deg/d |
| Q | 2.860517069959074 | 1.1869e-08 | au |
|
| | 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 |
15.1 |
|
n/a |
MPO435790 |
|
| diameter |
diameter |
2.687 |
km |
0.446 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.223 |
|
0.166 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 9479 Madresplazamayo (2175 P-L) Discovered 1960-Sep-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar |
| Reference: 19981005/Numbers.arc | Last Updated: 2004-04-19 |
|
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