[ 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.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09228768481458571 | 4.8213e-08 | |
a | 2.607939835692249 | 2.0002e-08 | au |
q | 2.36725910612048 | 1.2868e-07 | au |
i | 14.47311301437111 | 6.0015e-06 | deg |
node | 137.9976437486971 | 2.2161e-05 | deg |
peri | 163.8477739550013 | 4.0641e-05 | deg |
M | 229.5458645810016 | 3.4893e-05 | deg |
tp | 2459757.942567362738 (2022-Jun-27.44256736) | 0.00014952 | TDB |
period | 1538.313244007443 4.21 | 1.7698e-05 4.845e-08 | d yr |
n | .234022557760842 | 2.6924e-09 | deg/d |
Q | 2.848620565264017 | 2.1848e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456969.5 (2014-Nov-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09368323310655181 | 4.8284e-08 | |
q | 2.362838436716187 | 1.2903e-07 | au |
tp | 2456679.460805777369 (2014-Jan-21.96080578) | 0.00014812 | TDB |
node | 138.0722948141843 | 2.2136e-05 | deg |
peri | 163.3313410525974 | 4.0191e-05 | deg |
i | 14.48315206705266 | 6.006e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
2.331347808776573E-15 |
-6.169853052463229E-15 |
1.780625570091803E-12 |
7.905012441902467E-15 |
4.172185890757418E-13 |
-4.959782328453713E-16 |
q |
-6.169853052463229E-15 |
1.66495951186178E-14 |
-5.038488798902024E-12 |
-2.122795674368632E-14 |
-1.167403286655999E-12 |
2.844465330010119E-15 |
tp |
1.780625570091803E-12 |
-5.038488798902024E-12 |
2.193834277511593E-8 |
2.343443617743257E-11 |
5.00127478795851E-9 |
1.68274539187808E-11 |
node |
7.905012441902467E-15 |
-2.122795674368632E-14 |
2.343443617743257E-11 |
4.900087244774711E-10 |
-4.686743285636706E-10 |
3.287943794078357E-11 |
peri |
4.172185890757418E-13 |
-1.167403286655999E-12 |
5.00127478795851E-9 |
-4.686743285636706E-10 |
1.615303661805841E-9 |
-2.800868807966545E-11 |
i |
-4.959782328453713E-16 |
2.844465330010119E-15 |
1.68274539187808E-11 |
3.287943794078357E-11 |
-2.800868807966545E-11 |
3.607252791403081E-11 |
|
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.54 |
|
n/a |
E2021B55 |
|
diameter |
diameter |
2.729 |
km |
0.469 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
17.2279 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.164 |
|
0.055 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
146373 (2001 QM3) Discovered 2001-Aug-16 by LINEAR at Socorro |
Reference: 20070106/Numbers.arc | Last Updated: 2007-01-09 |
|
[ show close-approach data ]
|