(2019 YW2) |
Classification: Apollo [NEO] SPK-ID: 3946728 |
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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 19 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5029880137409197 | 8.5499e-05 | |
a | 1.672867979217026 | 0.00024697 | au |
q | .831435437099868 | 2.0281e-05 | au |
i | 1.875594100349441 | 0.00026223 | deg |
node | 271.9942189804999 | 0.00011217 | deg |
peri | 119.2799227509288 | 0.0006179 | deg |
M | 183.4536525711518 | 0.041337 | deg |
tp | 2459588.067333896052 (2022-Jan-08.56733390) | 0.17657 | TDB |
period | 790.2980845231576 2.16 | 0.17501 0.0004792 | d yr |
n | .4555243231004581 | 0.00010088 | deg/d |
Q | 2.514300521334184 | 0.0003712 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2458862.5 (2020-Jan-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5028991221477879 | 8.5462e-05 | |
q | .8317280931497022 | 2.0167e-05 | au |
tp | 2458797.759959171295 (2019-Nov-10.25995917) | 0.0015414 | TDB |
node | 272.000023109202 | 0.00011356 | deg |
peri | 119.2890801429604 | 0.0006183 | deg |
i | 1.875654968940283 | 0.0002622 | 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 |
7.303752163888495E-9 |
-1.723372572383085E-9 |
1.31699667630792E-7 |
9.133304829106146E-9 |
-5.268450332609185E-8 |
2.23997585795674E-8 |
q |
-1.723372572383085E-9 |
4.066915746258436E-10 |
-3.107738539342809E-8 |
-2.156711294113133E-9 |
1.243613688750241E-8 |
-5.285096589330086E-9 |
tp |
1.31699667630792E-7 |
-3.107738539342809E-8 |
2.375793954208118E-6 |
1.649683243014483E-7 |
-9.495572050000171E-7 |
4.038384658160863E-7 |
node |
9.133304829106146E-9 |
-2.156711294113133E-9 |
1.649683243014483E-7 |
1.289620847040376E-8 |
-6.727022737215485E-8 |
2.817422806095918E-8 |
peri |
-5.268450332609185E-8 |
1.243613688750241E-8 |
-9.495572050000171E-7 |
-6.727022737215485E-8 |
3.822932795145705E-7 |
-1.617738848091436E-7 |
i |
2.23997585795674E-8 |
-5.285096589330086E-9 |
4.038384658160863E-7 |
2.817422806095918E-8 |
-1.617738848091436E-7 |
6.875007478153877E-8 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
24.0 |
|
.56299 |
E2020-AA1 |
autocmod 2.8 |
rotation period |
rot_per |
0.7390 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm] |
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