(2018 RF2) |
Classification: Apollo [NEO] SPK-ID: 3827322 |
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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 2 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3399257420575118 | 0.00024147 | |
a | 1.02398133916854 | 0.0001286 | au |
q | .6759037225986292 | 0.00016243 | au |
i | 9.641511036302111 | 0.0085138 | deg |
node | 344.236056013595 | 0.00027533 | deg |
peri | 110.9713366653744 | 0.0032751 | deg |
M | 359.7632828221228 | 0.11691 | deg |
tp | 2459200.748864966539 (2020-Dec-17.24886497) | 0.12295 | TDB |
period | 378.4743834712558 1.04 | 0.071296 0.0001952 | d yr |
n | .9511872288374865 | 0.00017918 | deg/d |
Q | 1.37205895573845 | 0.00017231 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458369.5 (2018-Sep-08.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3397846351102802 | 0.0002414 | |
q | .6756923269116121 | 0.00016107 | au |
tp | 2458443.967075661535 (2018-Nov-21.46707566) | 0.020724 | TDB |
node | 344.314172300925 | 0.00010275 | deg |
peri | 110.9824307492855 | 0.0036231 | deg |
i | 9.729612825238197 | 0.0083706 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
5.82721087542754E-8 |
-3.887872347474083E-8 |
-5.002104970184868E-6 |
2.43788135186913E-8 |
-8.630738862437166E-7 |
2.015038458814085E-6 |
q |
-3.887872347474083E-8 |
2.594463604405724E-8 |
3.336724743441769E-6 |
-1.628414189706052E-8 |
5.74536046451862E-7 |
-1.345164929059941E-6 |
tp |
-5.002104970184868E-6 |
3.336724743441769E-6 |
.0004294770141528476 |
-2.089033057513894E-6 |
7.426222985907658E-5 |
-.0001728201553924338 |
node |
2.43788135186913E-8 |
-1.628414189706052E-8 |
-2.089033057513894E-6 |
1.055675859613965E-8 |
-3.553721550489066E-7 |
8.528810075494379E-7 |
peri |
-8.630738862437166E-7 |
5.74536046451862E-7 |
7.426222985907658E-5 |
-3.553721550489066E-7 |
1.312666128924713E-5 |
-2.96081643951908E-5 |
i |
2.015038458814085E-6 |
-1.345164929059941E-6 |
-.0001728201553924338 |
8.528810075494379E-7 |
-2.96081643951908E-5 |
7.006774572582112E-5 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
28.2 |
|
.71211 |
MPO452097 |
autocmod 2.6n |
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