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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2422814848914181 | 5.14e-08 | |
a | 2.354249823562315 | 6.6918e-09 | au |
q | 1.783858680504278 | 1.2204e-07 | au |
i | 5.349574345934131 | 5.9251e-06 | deg |
node | 171.0934250823936 | 4.2279e-05 | deg |
peri | 209.9753704867387 | 4.3818e-05 | deg |
M | 106.5365482102974 | 9.1939e-06 | deg |
tp | 2458810.042861283095 (2019-Nov-22.54286128) | 3.326e-05 | TDB |
period | 1319.402329993074 3.61 | 5.6255e-06 1.54e-08 | d yr |
n | .2728508142030412 | 1.1633e-09 | deg/d |
Q | 2.924640966620352 | 8.3131e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457477.5 (2016-Mar-30.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2435560811367641 | 5.1811e-08 | |
q | 1.780298717662668 | 1.2321e-07 | au |
tp | 2457489.084413435785 (2016-Apr-10.58441344) | 3.155e-05 | TDB |
node | 171.2029079533058 | 4.22e-05 | deg |
peri | 209.5138446073918 | 4.37e-05 | deg |
i | 5.355078577304543 | 5.9341e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
2.684404795956446E-15 |
-6.378347969333794E-15 |
-6.786273787935389E-13 |
2.381978787233328E-14 |
-2.651094010192372E-13 |
-6.597331797237696E-15 |
q |
-6.378347969333794E-15 |
1.517991168583138E-14 |
1.6166948929383E-12 |
-5.74165044427596E-14 |
6.303646810332937E-13 |
1.595684055634299E-14 |
tp |
-6.786273787935389E-13 |
1.6166948929383E-12 |
9.95426266408793E-10 |
-1.399089382775862E-11 |
3.68282799340632E-10 |
6.219763267498988E-13 |
node |
2.381978787233328E-14 |
-5.74165044427596E-14 |
-1.399089382775862E-11 |
1.78085942865497E-9 |
-1.776469685619151E-9 |
5.814463744105681E-11 |
peri |
-2.651094010192372E-13 |
6.303646810332937E-13 |
3.68282799340632E-10 |
-1.776469685619151E-9 |
1.909690880948758E-9 |
-5.772037405372316E-11 |
i |
-6.597331797237696E-15 |
1.595684055634299E-14 |
6.219763267498988E-13 |
5.814463744105681E-11 |
-5.772037405372316E-11 |
3.521320524541957E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.5 |
|
n/a |
MPO494073 |
|
diameter |
diameter |
3.152 |
km |
1.271 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.054 |
|
0.038 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
193902 (2001 QJ242) Discovered 2001-Aug-24 by LINEAR at Socorro |
Reference: 20081113/Numbers.arc | Last Updated: 2008-11-17 |
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