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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1515368062543066 | 2.9493e-08 | |
a | 2.302714410293402 | 6.8468e-09 | au |
q | 1.95376842284177 | 6.6859e-08 | au |
i | 4.826409692336858 | 3.1779e-06 | deg |
node | 109.3239328570189 | 4.6749e-05 | deg |
peri | 185.1436799838063 | 4.8608e-05 | deg |
M | 144.3208349746062 | 1.3353e-05 | deg |
tp | 2458488.835746192361 (2019-Jan-05.33574619) | 4.668e-05 | TDB |
period | 1276.316973936305 3.49 | 5.6924e-06 1.558e-08 | d yr |
n | .2820615939077576 | 1.258e-09 | deg/d |
Q | 2.651660397745033 | 7.8844e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.1 |
|
n/a |
MPO502274 |
|
diameter |
diameter |
4.042 |
km |
0.406 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
12.359 |
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: [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
geometric albedo |
albedo |
0.326 |
|
0.040 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
13844 (1999 XW34) Discovered 1999-Dec-06 by LINEAR at Socorro |
Reference: 20000222/Numbers.arc | Last Updated: 2004-04-19 |
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Alternate Designations
1999 XW34 = 1991 TZ = 1994 NF8 = 1998 VB10 |
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