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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 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .05537719647457231 | 3.9368e-08 | |
| a | 2.929138475317875 | 1.6466e-08 | au |
| q | 2.766930998468968 | 1.1824e-07 | au |
| i | 2.294432144622322 | 4.9737e-06 | deg |
| node | 37.22681640662076 | 0.00012142 | deg |
| peri | 80.71022106543931 | 0.00013746 | deg |
| M | 33.42862283360426 | 6.0523e-05 | deg |
| tp | 2459030.470504363298
(2020-Jun-29.97050436) | 0.00030789 | TDB |
| period | 1831.084060324506
5.01 | 1.544e-05
4.227e-08 | d
yr |
| n | .196604846167576 | 1.6578e-09 | deg/d |
| Q | 3.091345952166782 | 1.7378e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457089.5 (2015-Mar-08.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .05422160424258822 | 4.055e-08 | |
| q | 2.769675615289634 | 1.2185e-07 | au |
| tp | 2457212.515945451619
(2015-Jul-09.01594545) | 0.00031091 | TDB |
| node | 37.2797590437856 | 0.00012149 | deg |
| peri | 83.31485037183532 | 0.00013769 | deg |
| i | 2.294841559508269 | 4.9702e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.64431177254734E-15 |
-4.901321799222502E-15 |
3.984874859583855E-12 |
-4.551404844243024E-15 |
8.195018384381697E-13 |
-5.038454736880141E-16 |
| q |
-4.901321799222502E-15 |
1.484713610548959E-14 |
-1.228800467073076E-11 |
1.30226977649116E-14 |
-2.530953077370538E-12 |
1.662114483485483E-15 |
| tp |
3.984874859583855E-12 |
-1.228800467073076E-11 |
9.666673043109252E-8 |
-2.752704867673707E-10 |
2.017828234524356E-8 |
1.162517742757238E-12 |
| node |
-4.551404844243024E-15 |
1.30226977649116E-14 |
-2.752704867673707E-10 |
1.475930426268832E-8 |
-1.480369558346622E-8 |
-1.737315992097665E-10 |
| peri |
8.195018384381697E-13 |
-2.530953077370538E-12 |
2.017828234524356E-8 |
-1.480369558346622E-8 |
1.895760189494432E-8 |
1.738349799089848E-10 |
| i |
-5.038454736880141E-16 |
1.662114483485483E-15 |
1.162517742757238E-12 |
-1.737315992097665E-10 |
1.738349799089848E-10 |
2.470265560290645E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.76 |
|
n/a |
E2021B10 |
|
|
| 26003 Amundson | Discovered 2001 Mar. 18 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. |
| Lauren Amundson (b. 1984) is the librarian/archivist for Lowell Observatory. As such, she is the curator for the Observatory's historical collection which includes extensive material from Percival Lowell's personal research and travels. |
| 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 2018-10-26 | Last Updated: 2019-04-09 |
|
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Alternate Designations
| 2001 FD104 = 1993 QM9 = 2000 AF155 = 4210 T-1 |
|
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