[ hide orbit diagram ]
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.
[ revert to old Java-based viewer ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03830187205022276 | 4.7015e-08 | |
a | 5.162119269214246 | 9.9529e-08 | au |
q | 4.964400437456812 | 2.9035e-07 | au |
i | 27.42414642970271 | 5.2214e-06 | deg |
node | 93.25376659836253 | 1.1209e-05 | deg |
peri | 195.7013194084579 | 0.0001077 | deg |
M | 256.066791617947 | 0.00011221 | deg |
tp | 2459837.279596531604 (2022-Sep-14.77959653) | 0.0013452 | TDB |
period | 4283.911385807474 11.73 | 0.0001239 3.392e-07 | d yr |
n | .08403535170981218 | 2.4304e-09 | deg/d |
Q | 5.35983810097168 | 1.0334e-07 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.8 |
|
n/a |
MPO279875 |
|
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-January); 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 |
|
|