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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1216717756162575 | 5.5567e-08 | |
| a | 2.972964072068874 | 1.6938e-08 | au |
| q | 2.611238254576915 | 1.6781e-07 | au |
| i | 9.591403739868376 | 5.3778e-06 | deg |
| node | 228.0601799263779 | 2.702e-05 | deg |
| peri | 112.9217383324451 | 3.3518e-05 | deg |
| M | 212.6281083437543 | 2.1702e-05 | deg |
| tp | 2459766.969849033577
(2022-Jul-06.46984903) | 0.00011475 | TDB |
| period | 1872.332251089713
5.13 | 1.6001e-05
4.381e-08 | d
yr |
| n | .1922735667189822 | 1.6432e-09 | deg/d |
| Q | 3.334689889560833 | 1.8999e-08 | au |
|
| | 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 |
13.3 |
|
n/a |
MPO435845 |
|
| diameter |
diameter |
7.719 |
km |
0.050 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.205 |
|
0.027 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 15550 Sydney | Discovered 2000 Mar. 31 by J. Broughton at Reedy Creek Observatory. |
| Australia's largest city, Sydney is also the birthplace of the discoverer of this minor planet. Established by the British in 1788, Sydney was the first European settlement in Australasia and is famous for its magnificent opera house, harbor, sandy beaches and as host city of the 2000 Olympics. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20010509/MPCPages.arc | Last Updated: 2009-05-11 |
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