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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 99 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .0657271897723566 | 3.0702e-08 | |
| a | 2.470388143099317 | 5.498e-09 | au |
| q | 2.308016472806448 | 7.6645e-08 | au |
| i | 4.060819414361712 | 3.3526e-06 | deg |
| node | 246.7817108914936 | 4.6129e-05 | deg |
| peri | 11.3681057845834 | 5.3692e-05 | deg |
| M | 309.6370384537646 | 2.8828e-05 | deg |
| tp | 2459398.906080571363
(2021-Jul-03.40608057) | 0.00011368 | TDB |
| period | 1418.228531698209
3.88 | 4.7345e-06
1.296e-08 | d
yr |
| n | .25383779267854 | 8.474e-10 | deg/d |
| Q | 2.632759813392185 | 5.8594e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.27 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
50.120 |
km |
0.311 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
11.912 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Pilcher, F.; Benishek, V.; Hills, K. (2015) Minor Planet Bull. 42, 137-139.] |
| geometric albedo |
albedo |
0.062 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.830 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=4.89 deg. |
| U-B |
UB |
0.340 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=4.89 deg. |
|
| 248 Lameia (A885 LA) Discovered 1885-Jun-05 by Palisa, J. at Vienna |
| 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 |
| 2051-Mar-16 03:09 |
< 00:01 |
Eunom |
0.0493677544749761 |
0.049366413729994 |
0.0493690952890704 |
5.20900411631371 |
5.20900406172588 |
2470246.631413328 |
0.271579362972839 |
125.634609065282 |
33.5129265633867 |
-61.4879432214625 |
195544.788833418 |
T |
99 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:44:57 |
2021-Feb-24 00:44 |
| 2072-Jun-03 05:11 |
< 00:01 |
Iris |
0.0480603515243116 |
0.0480566853569363 |
0.0480640177522341 |
5.25241527639936 |
5.252415253626 |
2477996.716111397 |
0.444967458385424 |
202.239879106503 |
34.988787602715 |
-25.7754868943571 |
94884.3577464564 |
T |
99 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:44:57 |
2021-Feb-24 00:44 |
|
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