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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 37 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .135118964900688 | 3.7739e-08 | |
a | 2.619542064478538 | 1.084e-08 | au |
q | 2.265592252212387 | 1.0085e-07 | au |
i | 12.23518654653912 | 4.1379e-06 | deg |
node | 251.9210708094722 | 1.7673e-05 | deg |
peri | 277.3311181153773 | 2.3414e-05 | deg |
M | 344.5645193785584 | 1.5346e-05 | deg |
tp | 2459266.897870049130 (2021-Feb-21.39787005) | 6.601e-05 | TDB |
period | 1548.590147849519 4.24 | 9.6123e-06 2.632e-08 | d yr |
n | .2324695146097379 | 1.443e-09 | deg/d |
Q | 2.97349187674469 | 1.2305e-08 | au |
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| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1353714024408489 | 3.794e-08 | |
q | 2.264208345505625 | 1.0142e-07 | au |
tp | 2457720.696940091254 (2016-Nov-28.19694009) | 6.6296e-05 | TDB |
node | 251.9619499785661 | 1.7686e-05 | deg |
peri | 277.792751563462 | 2.3346e-05 | deg |
i | 12.23143319152867 | 4.1369e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.439471676062141E-15 |
-3.831966618587627E-15 |
5.874656232457035E-13 |
-2.197376308615975E-15 |
1.840263430318086E-13 |
1.275965894015487E-15 |
q |
-3.831966618587627E-15 |
1.028604486481592E-14 |
-1.63701939198587E-12 |
6.51155104837255E-15 |
-5.131178709893074E-13 |
-3.101774964893836E-15 |
tp |
5.874656232457035E-13 |
-1.63701939198587E-12 |
4.395220707740899E-9 |
1.525952707726875E-12 |
1.02094613811535E-9 |
-2.415804381590902E-12 |
node |
-2.197376308615975E-15 |
6.51155104837255E-15 |
1.525952707726875E-12 |
3.128038895708778E-10 |
-3.0506226148867E-10 |
-1.495376966312592E-11 |
peri |
1.840263430318086E-13 |
-5.131178709893074E-13 |
1.02094613811535E-9 |
-3.0506226148867E-10 |
5.450468192018462E-10 |
1.413911225728079E-11 |
i |
1.275965894015487E-15 |
-3.101774964893836E-15 |
-2.415804381590902E-12 |
-1.495376966312592E-11 |
1.413911225728079E-11 |
1.711412408916562E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.82 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
4.835 |
km |
0.182 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.330 |
|
0.046 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
15449 (1998 XS30) Discovered 1998-Dec-14 by LINEAR at Socorro |
Reference: 20000621/Numbers.arc | Last Updated: 2004-04-19 |
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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 |
1994-Nov-11 21:58 |
< 00:01 |
Vesta |
0.0309345203077136 |
0.0309337877468337 |
0.0309352528698703 |
6.40985375440072 |
6.40985315432908 |
2449668.414959856 |
0.636022029506922 |
152.239571940733 |
36.3893539142908 |
89.0552250966093 |
126941.919389936 |
T |
37 |
CATAB v2.0f-lin.ifort 2021-Feb-24 02:24:07 |
2021-Feb-24 02:24 |
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Alternate Designations
1998 XS30 = 1981 XE1 = 1996 LE1 |
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