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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 29 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3004729277158089 | 3.831e-08 | |
a | 2.365806875838251 | 6.5633e-09 | au |
q | 1.65494595744494 | 9.0703e-08 | au |
i | 12.0775370233373 | 4.1361e-06 | deg |
node | 213.2440872263179 | 2.0429e-05 | deg |
peri | 95.75222846348606 | 2.1345e-05 | deg |
M | 235.4594329526867 | 6.0096e-06 | deg |
tp | 2459660.307127892956 (2022-Mar-21.80712789) | 2.2736e-05 | TDB |
period | 1329.129696178262 3.64 | 5.531e-06 1.514e-08 | d yr |
n | .270853928728801 | 1.1271e-09 | deg/d |
Q | 3.076667794231561 | 8.5354e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.25 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
5.515 |
km |
1.478 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
rotation period |
rot_per |
4.963 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.] [Warner, B.D. (2018) Minor Planet Bull. 45, 380-386.] [Benishek, V. (2019) Minor Planet Bull. 46, 87-90.] |
geometric albedo |
albedo |
0.132 |
|
0.065 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
SMASSII spectral type |
spec_B |
L |
|
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) |
|
3287 Olmstead (1981 DK1) Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ 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 |
2192-Apr-26 08:02 |
00:01 |
Iris |
0.0377742722414146 |
0.0377669057575631 |
0.0377816437433231 |
8.24584019538381 |
8.24584017692762 |
2521787.834415718 |
1.35161133901705 |
784.427339915584 |
50.6145252062019 |
-62.2974447074103 |
98891.2888007761 |
T |
29 |
CATAB v2.0f-lin.ifort 2021-Feb-24 01:09:26 |
2021-Feb-24 01:09 |
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