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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .0483878555547237 | 3.2162e-08 | |
| a | 2.749476890004837 | 1.0427e-08 | au |
| q | 2.616435599400232 | 8.9851e-08 | au |
| i | 3.55049442817012 | 3.8958e-06 | deg |
| node | 321.460864870451 | 4.9448e-05 | deg |
| peri | 146.5476633124246 | 6.3223e-05 | deg |
| M | 246.0354377309466 | 4.058e-05 | deg |
| tp | 2459727.658074944623
(2022-May-28.15807494) | 0.00018867 | TDB |
| period | 1665.227358413654
4.56 | 9.4725e-06
2.593e-08 | d
yr |
| n | .2161866955770814 | 1.2298e-09 | deg/d |
| Q | 2.882518180609441 | 1.0931e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.26 |
|
n/a |
E2020-QM5 |
|
| diameter |
diameter |
24.695 |
km |
0.162 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| geometric albedo |
albedo |
0.038 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| SMASSII spectral type |
spec_B |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 4292 Aoba (1989 VO) Discovered 1989-Nov-04 by Koishikawa, M. at Ayashi |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
| Date/Time (TDB) |
Time Uncertainty
(days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
| 2008-Oct-09 23:50 |
< 00:01 |
David |
0.0249167228835145 |
0.0249156871185971 |
0.024917758654176 |
6.56665934738379 |
6.56665925505277 |
2454749.492801933 |
0.323524238975118 |
55.8660108674561 |
24.1315629896371 |
25.0481331940809 |
89020.2502445587 |
T |
38 |
CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:04 |
2021-Feb-24 01:17 |
| 2165-Feb-07 18:38 |
< 00:01 |
Thisb |
0.0485471642895951 |
0.0485460979666121 |
0.0485482321478475 |
3.90502792763503 |
3.90502789166948 |
2511848.276700790 |
0.561472471277008 |
864.651351683224 |
46.1005165851142 |
88.2454837715813 |
157370.451949062 |
T |
38 |
CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:04 |
2021-Feb-24 01:17 |
|
Alternate Designations
| 1989 VO = 1938 QE = 1955 KK = 1957 WH2 = 1959 ES = 1979 QW2 = 1986 AB1 = 1988 PX3 |
|
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