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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .0324962719211753 | 4.1102e-08 | |
| a | 2.275017392364666 | 8.5488e-09 | au |
| q | 2.201087808556981 | 9.4562e-08 | au |
| i | 6.761948882032335 | 4.7633e-06 | deg |
| node | 158.4126630233969 | 3.5863e-05 | deg |
| peri | 353.0871818270418 | 8.0597e-05 | deg |
| M | 44.84498355679674 | 7.1227e-05 | deg |
| tp | 2458444.369814050124
(2018-Nov-21.86981405) | 0.0002481 | TDB |
| period | 1253.359071272012
3.43 | 7.0646e-06
1.934e-08 | d
yr |
| n | .2872281441539672 | 1.619e-09 | deg/d |
| Q | 2.348946976172351 | 8.8266e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.7 |
|
n/a |
MPO435949 |
|
|
| 26661 Kempelen | Discovered 2000 Nov. 27 by P. Kušnirák at Ondřejov. |
| Wolfgang Kempelen (1734-1804), a polymath, mechanic and inventor, constructed a speech machine in 1778 based on imitating the human vocal organs. His most famous inventions are a chess machine, a writing machine for the blind and a pressurised conduit that took water from the Danube to Bratislava Castle. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20020427/MPCPages.arc | Last Updated: 2003-10-02 |
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