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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 19 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04133844549592373 | 4.056e-08 | |
| a | 2.678859762421477 | 1.7096e-08 | au |
| q | 2.568119864141393 | 1.1207e-07 | au |
| i | 1.013742940546447 | 5.2713e-06 | deg |
| node | 328.5617888113637 | 0.00029635 | deg |
| peri | 117.1593460709737 | 0.0003068 | deg |
| M | 205.4293365443098 | 7.9657e-05 | deg |
| tp | 2459888.119153922724
(2022-Nov-04.61915392) | 0.00035671 | TDB |
| period | 1601.486917879098
4.38 | 1.5331e-05
4.197e-08 | d
yr |
| n | .2247910963123944 | 2.1519e-09 | deg/d |
| Q | 2.789599660701561 | 1.7803e-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 |
16.02 |
|
n/a |
E2021B55 |
|
|
| 127030 Herrington | Discovered 2002 Apr. 6 by M. W. Buie at Cerro Tololo. |
| John Herrington (b. 1958) is a former NASA astronaut and a member of the Chickasaw Nation. Herrington was a mission specialist for the 16th space shuttle flight to the International Space Station and he performed three space walks during the mission. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC batch dated 2021-01-27 | Last Updated: 2021-02-23 |
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