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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 42 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06465475824094243 | 3.6696e-08 | |
| a | 3.128075305770448 | 1.6772e-08 | au |
| q | 2.925830353116397 | 1.1634e-07 | au |
| i | 9.586684852204012 | 4.0127e-06 | deg |
| node | 288.1579674066224 | 2.3972e-05 | deg |
| peri | 193.1517916433142 | 3.9133e-05 | deg |
| M | 32.0822825287561 | 3.0303e-05 | deg |
| tp | 2459020.415230284460
(2020-Jun-19.91523028) | 0.00017002 | TDB |
| period | 2020.757626564915
5.53 | 1.6252e-05
4.45e-08 | d
yr |
| n | .1781510039934694 | 1.4328e-09 | deg/d |
| Q | 3.330320258424499 | 1.7857e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.46 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
12.172 |
km |
0.165 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| geometric albedo |
albedo |
0.360 |
|
0.073 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 2601 Bologna (1980 XA) Discovered 1980-Dec-08 by Osservatorio San Vittore at Bologna |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| 1980 XA = 1965 AC1 = 1971 DD1 |
|
|
