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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .03870094481717359 | 4.3558e-08 | |
| a | 5.159995929656882 | 9.1705e-08 | au |
| q | 4.960299211926391 | 2.8296e-07 | au |
| i | 27.42412828490626 | 4.0856e-06 | deg |
| node | 93.25402813187168 | 1.0794e-05 | deg |
| peri | 196.3437652560867 | 8.7585e-05 | deg |
| M | 289.0945826720329 | 8.968e-05 | deg |
| tp | 2459843.736471240905
(2022-Sep-21.23647124) | 0.0010683 | TDB |
| period | 4281.268499452025
11.72 | 0.00011413
3.125e-07 | d
yr |
| n | .08408722789661001 | 2.2416e-09 | deg/d |
| Q | 5.359692647387374 | 9.5254e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.9 |
|
n/a |
MPO474201 |
|
| diameter |
diameter |
61.684 |
km |
0.917 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
|
| rotation period |
rot_per |
19.633 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Molnar, L.A.; Haegert, M.J.; Hoogenboom, K.M. (2008) Minor Planet Bull. 35, 82-84.] |
| geometric albedo |
albedo |
0.061 |
|
0.004 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
|
|
| 34746 (2001 QE91) Discovered 2001-Aug-22 by LINEAR at Socorro |
| Reference: 20020128/Numbers.arc | Last Updated: 2004-04-19 |
|
Alternate Designations
| 2001 QE91 = 1949 KS = 1990 VD1 = 1991 XC5 |
|
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