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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04062993304026788 | 4.0095e-08 | |
| a | 2.679329665999193 | 1.7512e-08 | au |
| q | 2.570468681076842 | 1.1043e-07 | au |
| i | 1.012920712912704 | 5.2742e-06 | deg |
| node | 328.57280961 | 0.00029537 | deg |
| peri | 117.7022770255578 | 0.00030633 | deg |
| M | 248.8378954723619 | 8.1615e-05 | deg |
| tp | 2459891.143054593236
(2022-Nov-07.64305459) | 0.00036473 | TDB |
| period | 1601.908315880177
4.39 | 1.5705e-05
4.3e-08 | d
yr |
| n | .2247319627666682 | 2.2033e-09 | deg/d |
| Q | 2.788190650921544 | 1.8224e-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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