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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2238061548642721 | 4.1029e-08 | |
| a | 2.427950714183706 | 1.0071e-08 | au |
| q | 1.884560400642288 | 9.8614e-08 | au |
| i | 1.02128955825176 | 4.5439e-06 | deg |
| node | 243.3759246429766 | 0.00023315 | deg |
| peri | 34.41591841191784 | 0.00023331 | deg |
| M | 196.2096926091371 | 8.4332e-06 | deg |
| tp | 2459629.200671146841
(2022-Feb-18.70067115) | 3.3749e-05 | TDB |
| period | 1381.841485117627
3.78 | 8.598e-06
2.354e-08 | d
yr |
| n | .2605219222878922 | 1.621e-09 | deg/d |
| Q | 2.971341027725124 | 1.2325e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.2 |
|
n/a |
MPO449495 |
|
| diameter |
diameter |
1.369 |
km |
0.338 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.312 |
|
0.121 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 78836 (2003 QT39) Discovered 2003-Aug-22 by LINEAR at Socorro |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
|
[ show close-approach data ]
Alternate Designations
| 2003 QT39 = 1976 JW4 = 1999 NG23 |
|
|
