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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .03583373052423052 | 1.4146e-08 | |
| a | 1.932695094932312 | 4.9211e-09 | au |
| q | 1.863439419715005 | 2.8629e-08 | au |
| i | 23.93810842479303 | 1.4938e-06 | deg |
| node | 170.6337856817945 | 3.1256e-06 | deg |
| peri | 128.6917554279752 | 3.216e-05 | deg |
| M | 23.18694418836115 | 3.0441e-05 | deg |
| tp | 2459137.290193708050
(2020-Oct-14.79019371) | 8.2951e-05 | TDB |
| period | 981.3941017947607
2.69 | 3.7483e-06
1.026e-08 | d
yr |
| n | .3668251106682185 | 1.401e-09 | deg/d |
| Q | 2.001950770149618 | 5.0974e-09 | 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 |
15.01 |
|
n/a |
E2021B10 |
|
| rotation period |
rot_per |
7.22 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 57-65.] |
|
| 21149 Kenmitchell | Discovered 1993 Apr. 19 by C. S. Shoemaker and E. M. Shoemaker at Palomar. |
| Ken Mitchell (b. 1947), has been an enthusiastic geological field assistant for the Australian Geological Survey Organization, Mount Isa Mines, and other exploration groups. He discovered the shatter cones at Lawn Hill, Queensland, and at Amelia Creek in the Davenport Ranges of Northern Territory. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20030501/MPCPages.arc | Last Updated: 2003-10-02 |
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