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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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1276156789774095 | 3.9713e-08 | |
| a | 2.227750822471844 | 6.1427e-09 | au |
| q | 1.943454888669617 | 9.0079e-08 | au |
| i | 3.400661776958933 | 4.1892e-06 | deg |
| node | 322.7554152249705 | 5.7134e-05 | deg |
| peri | 26.26981116273452 | 5.8873e-05 | deg |
| M | 63.70404066975733 | 1.2625e-05 | deg |
| tp | 2458785.586931453825
(2019-Oct-29.08693145) | 4.2718e-05 | TDB |
| period | 1214.502311991533
3.33 | 5.0232e-06
1.375e-08 | d
yr |
| n | .2964177148495291 | 1.226e-09 | deg/d |
| Q | 2.512046756274071 | 6.9266e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.6 |
|
n/a |
MPO337328 |
|
|
| 8569 Mameli | Discovered 1996 Oct. 1 by V. S. Casulli at the Colleverde di Guidonia. |
| The poet Goffredo Mameli (1827-1849) was the patriotic Italian author of the national anthem Fratelli d´Italia. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20040504/MPCPages.arc | Last Updated: 2004-05-11 |
|
Alternate Designations
| 1996 TG = 1986 RD11 = 1992 QQ2 |
|
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