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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 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1849050236535149 | 4.2102e-08 | |
a | 2.997009635383066 | 1.8365e-08 | au |
q | 2.442847497862748 | 1.3044e-07 | au |
i | 14.24790954288777 | 6.1387e-06 | deg |
node | 172.8331847997431 | 1.7369e-05 | deg |
peri | 271.0971088851757 | 2.4039e-05 | deg |
M | 280.6604230753222 | 1.8516e-05 | deg |
tp | 2459618.155317568060 (2022-Feb-07.65531757) | 9.9247e-05 | TDB |
period | 1895.093472293709 5.19 | 1.7419e-05 4.769e-08 | d yr |
n | .1899642446471399 | 1.7461e-09 | deg/d |
Q | 3.551171772903384 | 2.1761e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1845591510622658 | 4.0796e-08 | |
q | 2.445221192705616 | 1.2604e-07 | au |
tp | 2457710.113715683412 (2016-Nov-17.61371568) | 9.1836e-05 | TDB |
node | 173.4189063777255 | 1.7421e-05 | deg |
peri | 268.8270844284981 | 2.4286e-05 | deg |
i | 14.24704618441706 | 6.1257e-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 |
1.664341841298126E-15 |
-5.106171633919834E-15 |
6.37793073096876E-13 |
1.330299997549967E-15 |
2.007096221950353E-13 |
-1.797903473444473E-15 |
q |
-5.106171633919834E-15 |
1.588569604096281E-14 |
-1.306227573670982E-12 |
-6.03441426358362E-15 |
-5.090813421256469E-13 |
6.426737931354989E-15 |
tp |
6.37793073096876E-13 |
-1.306227573670982E-12 |
8.433779929793301E-9 |
1.005699759992277E-11 |
1.56379166685732E-9 |
-3.142861837925575E-12 |
node |
1.330299997549967E-15 |
-6.03441426358362E-15 |
1.005699759992277E-11 |
3.03491451436102E-10 |
-2.915064189541114E-10 |
-4.129043330984058E-11 |
peri |
2.007096221950353E-13 |
-5.090813421256469E-13 |
1.56379166685732E-9 |
-2.915064189541114E-10 |
5.89821985008203E-10 |
3.904295593125486E-11 |
i |
-1.797903473444473E-15 |
6.426737931354989E-15 |
-3.142861837925575E-12 |
-4.129043330984058E-11 |
3.904295593125486E-11 |
3.752419489786379E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.58 |
|
n/a |
E2021B55 |
|
diameter |
diameter |
6.485 |
km |
0.391 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.088 |
|
0.026 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
105946 (2000 ST238) Discovered 2000-Sep-26 by LINEAR at Socorro |
Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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