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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 49 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2648608896123754 | 1.7734e-08 | |
| a | 2.594475625166465 | 7.2363e-09 | au |
| q | 1.907300503007252 | 4.7518e-08 | au |
| i | 14.76725564561166 | 3.0933e-07 | deg |
| node | 128.3502590091384 | 4.2878e-06 | deg |
| peri | 282.7316041312243 | 3.8313e-06 | deg |
| M | 44.43848530629992 | 2.957e-06 | deg |
| tp | 2459012.078886509553
(2020-Jun-11.57888651) | 1.208e-05 | TDB |
| period | 1526.415682015711
4.18 | 6.3861e-06
1.748e-08 | d
yr |
| n | .2358466335491269 | 9.8671e-10 | deg/d |
| Q | 3.281650747325679 | 9.153e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.66 |
|
n/a |
MPCxxxxx |
IRAS observations used: 26 |
| diameter |
diameter |
46.006 |
km |
0.305 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
12.749 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Menke, J. (2005) Minor Planet Bull. 32, 64-66.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.] |
| geometric albedo |
albedo |
0.034 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.700 |
|
0.042 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=11.07, mean=11.07, max.=11.08) deg. |
| U-B |
UB |
0.300 |
|
0.045 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=11.07, mean=11.07, max.=11.08) deg. |
| Tholen spectral type |
spec_T |
CX |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
|
| 1127 Mimi (1929 AJ) Discovered 1929-Jan-13 by Arend, S. at Uccle |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1929 AJ = 1948 PU = 2019 HA5 = A906 OA |
|
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