| 101869 (1999 MM) |
| Classification: Apollo [NEO, PHA] SPK-ID: 2101869 |
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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 58 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6106696475814508 | 6.4997e-08 | |
| a | 1.624265909071098 | 4.8153e-09 | au |
| q | .6323760188000859 | 1.0401e-07 | au |
| i | 4.765103735362939 | 1.5201e-05 | deg |
| node | 110.9554835296363 | 4.8998e-05 | deg |
| peri | 268.7849381320456 | 4.8487e-05 | deg |
| M | 10.90646087468778 | 2.026e-05 | deg |
| tp | 2458977.593145058395
(2020-May-08.09314506) | 4.2463e-05 | TDB |
| period | 756.1085006151192
2.07 | 3.3623e-06
9.205e-09 | d
yr |
| n | .4761221434584166 | 2.1173e-09 | deg/d |
| Q | 2.616155799342111 | 7.7559e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
19.2 |
|
n/a |
MPO445809 |
|
|
| 101869 (1999 MM) Discovered 1999-Jun-20 by LONEOS at Anderson Mesa |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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