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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 19 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1862465117542911 | 3.6114e-08 | |
a | 3.021112782262122 | 1.6766e-08 | au |
q | 2.458441064949501 | 1.0766e-07 | au |
i | 1.398928406585924 | 4.2619e-06 | deg |
node | 159.2018919937621 | 0.00017847 | deg |
peri | 340.248065199315 | 0.00017893 | deg |
M | 74.92647386818616 | 1.2293e-05 | deg |
tp | 2458601.308184670540 (2019-Apr-27.80818467) | 6.4489e-05 | TDB |
period | 1918.001022861755 5.25 | 1.5966e-05 4.371e-08 | d yr |
n | .1876954160654522 | 1.5624e-09 | deg/d |
Q | 3.583784499574743 | 1.9888e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1874599740233035 | 3.6096e-08 | |
q | 2.45443121349352 | 1.078e-07 | au |
tp | 2456682.269769593100 (2014-Jan-24.76976959) | 6.1396e-05 | TDB |
node | 159.2167704532665 | 0.00017854 | deg |
peri | 340.1124799262638 | 0.00017899 | deg |
i | 1.39856206019331 | 4.2627e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.302929557779298E-15 |
-3.860488755228586E-15 |
-6.926150035472804E-14 |
-6.323599489016048E-15 |
-1.877374579599143E-14 |
-1.791445457607979E-16 |
q |
-3.860488755228586E-15 |
1.162116309638741E-14 |
2.398928131815378E-13 |
2.038831909062086E-14 |
7.768283976356545E-14 |
5.247166344081108E-16 |
tp |
-6.926150035472804E-14 |
2.398928131815378E-13 |
3.769480702481383E-9 |
1.092475580759251E-11 |
8.011088876741829E-10 |
-3.766388131760643E-13 |
node |
-6.323599489016048E-15 |
2.038831909062086E-14 |
1.092475580759251E-11 |
3.187702550848093E-8 |
-3.186470233887586E-8 |
6.287650638741032E-11 |
peri |
-1.877374579599143E-14 |
7.768283976356545E-14 |
8.011088876741829E-10 |
-3.186470233887586E-8 |
3.203840732782781E-8 |
-6.293721908441488E-11 |
i |
-1.791445457607979E-16 |
5.247166344081108E-16 |
-3.766388131760643E-13 |
6.287650638741032E-11 |
-6.293721908441488E-11 |
1.81702052615538E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.45 |
|
n/a |
E2020-QM9 |
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|
136056 (2002 XQ49) Discovered 2002-Dec-10 by LINEAR at Socorro |
Reference: 20060907/Numbers.arc | Last Updated: 2006-09-10 |
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