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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 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1916259934105362 | 2.8114e-08 | |
| a | 2.289162189260646 | 6.8121e-09 | au |
| q | 1.850499210665737 | 6.588e-08 | au |
| i | 2.551330421820968 | 3.2944e-06 | deg |
| node | 182.3983319070555 | 7.7433e-05 | deg |
| peri | 159.8617056213478 | 7.7963e-05 | deg |
| M | 75.79759755141806 | 9.5274e-06 | deg |
| tp | 2458934.141713346843
(2020-Mar-25.64171335) | 3.3133e-05 | TDB |
| period | 1265.066259258273
3.46 | 5.6469e-06
1.546e-08 | d
yr |
| n | .2845700747809632 | 1.2702e-09 | deg/d |
| Q | 2.727825167855555 | 8.1175e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.92 |
|
n/a |
E2021B10 |
|
|
| 11657 Antonhajduk | Discovered 1997 Mar. 5 by A. Galád and A. Pravda at Modra. |
| Anton Hajduk (b. 1933) is a professor of astronomy at the Slovak Academy of Sciences. His research centers on the structure of meteor streams and radio studies of meteor head echoes and the secondary ozone layer. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20010309/MPCPages.arc | Last Updated: 2009-05-11 |
|
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Alternate Designations
| 1997 EN7 = 1985 RU4 = 1998 HO44 |
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