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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05844868230309026 | 6.7487e-08 | |
a | 5.273747268451037 | 9.9194e-08 | au |
q | 4.965503689810552 | 3.4072e-07 | au |
i | 20.36390874588013 | 6.3789e-06 | deg |
node | 147.505675708248 | 1.3969e-05 | deg |
peri | 218.5640295513583 | 4.9421e-05 | deg |
M | 180.8601608203648 | 5.042e-05 | deg |
tp | 2460801.738379296404 (2025-May-06.23837930) | 0.00065127 | TDB |
period | 4423.615763951135 12.11 | 0.00012481 3.417e-07 | d yr |
n | .08138139006866435 | 2.2961e-09 | deg/d |
Q | 5.581990847091522 | 1.0499e-07 | 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 |
10.2 |
|
n/a |
MPO350865 |
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diameter |
diameter |
42.516 |
km |
0.955 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
|
geometric albedo |
albedo |
0.089 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
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7815 Dolon (1987 QN) Discovered 1987-Aug-21 by Elst, E. W. at La Silla |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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