[ hide orbit diagram ]
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1352005404745824 | 3.7784e-08 | |
a | 2.619557851840864 | 1.1807e-08 | au |
q | 2.265392214467544 | 1.0116e-07 | au |
i | 12.23606343008232 | 4.749e-06 | deg |
node | 251.9253208862149 | 1.8033e-05 | deg |
peri | 277.3615713490723 | 2.5442e-05 | deg |
M | 298.0486597633012 | 1.9382e-05 | deg |
tp | 2459266.994728957147 (2021-Feb-21.49472896) | 8.3799e-05 | TDB |
period | 1548.6041473521 4.24 | 1.047e-05 2.867e-08 | d yr |
n | .2324674130671485 | 1.5717e-09 | deg/d |
Q | 2.973723489214185 | 1.3404e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1352100355292956 | 3.7968e-08 | |
q | 2.265060509386866 | 1.0167e-07 | au |
tp | 2457720.574566806617 (2016-Nov-28.07456681) | 8.1584e-05 | TDB |
node | 251.9668713307605 | 1.8051e-05 | deg |
peri | 277.7210487317474 | 2.5395e-05 | deg |
i | 12.22997761282565 | 4.747e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.441604498198316E-15 |
-3.841396608098973E-15 |
5.481355080195275E-13 |
-4.487215351525202E-15 |
1.786134195742359E-13 |
2.890046467022136E-15 |
q |
-3.841396608098973E-15 |
1.03374925453864E-14 |
-1.342147242652101E-12 |
1.231436894347108E-14 |
-4.612526189654435E-13 |
-7.313574082045535E-15 |
tp |
5.481355080195275E-13 |
-1.342147242652101E-12 |
6.655870090037027E-9 |
6.387170159623231E-13 |
1.465119119509987E-9 |
-2.15617159267178E-12 |
node |
-4.487215351525202E-15 |
1.231436894347108E-14 |
6.387170159623231E-13 |
3.258414893610427E-10 |
-3.180294535773505E-10 |
-2.322651656704828E-11 |
peri |
1.786134195742359E-13 |
-4.612526189654435E-13 |
1.465119119509987E-9 |
-3.180294535773505E-10 |
6.448827401857367E-10 |
2.231626671096971E-11 |
i |
2.890046467022136E-15 |
-7.313574082045535E-15 |
-2.15617159267178E-12 |
-2.322651656704828E-11 |
2.231626671096971E-11 |
2.25344660718825E-11 |
|
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.8 |
|
n/a |
MPO452389 |
|
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 |
|
[ show close-approach data ]
Alternate Designations
1998 XS30 = 1981 XE1 = 1996 LE1 |
|
|