364877 (2008 EM9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8524697214 ± 2.72e-08
Semi-major axis (a)1.9588357872 AU ± 8.65e-09
Inclination (i)9.43927817° ± 6.13e-06
Long. of Asc. Node (Ω)229.68324609° ± 3.04e-05
Arg. of Perihelion (ω)181.79289790° ± 3.11e-05
Mean Anomaly (M)185.09041969° ± 1.08e-05
Mean Motion (n)0.3595135235°/day ± 2.38e-09
Perihelion dist (q)0.28898759 AU ± 5.33e-08
Aphelion dist (Q)3.62868399 AU ± 5.56e-08
Orbital Period2.74155552 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.570″
Uncertainty0
Orbit TypeApollo
MOID0.134581 AU
Observations Used493
Oppositions10
Arc Total2008-2024
First Observation Used2008-03-09
Last Observation Used2024-05-18
Observations (678)
Date Type RA Dec Mag Band Observatory
2019-04-14 21:44:33 s 1 -10655.683 0 +378615.92 5640.0 C57
2019-04-14 22:44:33 S 12 26 30.542 -14 14 21.91 V C57
2019-04-14 22:44:33 s 1 -12883.991 0 +379139.96 9290.0 C57
2019-04-14 23:44:33 S 12 26 26.261 -14 13 29.64 V C57
2019-04-14 23:44:33 s 1 -15110.468 0 +379628.00 890.0 C57
2019-04-15 00:44:33 S 12 26 21.125 -14 12 29.59 V C57
2019-04-15 00:44:33 s 1 -17335.393 0 +380079.84 9330.0 C57
2019-04-15 11:44:33 S 12 25 30.223 -14 02 00.92 V C57
2019-04-15 11:44:33 s 1 -41647.875 0 +382687.25 8190.0 C57
2019-04-15 12:14:33 S 12 25 27.598 -14 01 33.60 V C57
2019-04-15 12:14:33 s 1 -42743.515 0 +382703.79 4410.0 C57
2019-04-15 17:14:33 S 12 25 04.435 -13 56 51.97 V C57
2019-04-15 17:14:33 s 1 -53639.586 0 +382386.77 5070.0 C57
2019-04-15 18:44:33 S 12 24 57.353 -13 55 22.80 V C57
2019-04-15 18:44:33 s 1 -56884.790 0 +382121.24 3990.0 C57
2019-04-15 19:44:33 S 12 24 52.994 -13 54 29.09 V C57
2019-04-15 19:44:33 s 1 -59041.593 0 +381900.69 7830.0 C57
2019-04-15 20:14:33 S 12 24 50.654 -13 53 52.76 V C57
2019-04-15 20:14:33 s 1 -60117.922 0 +381777.37 7430.0 C57
2019-04-16 14:44:33 S 12 23 26.249 -13 36 46.30 V C57
2019-04-16 14:44:33 s 1 -98740.909 0 +371142.09 1310.0 C57
2019-04-16 16:14:33 S 12 23 19.526 -13 35 20.87 V C57
2019-04-16 16:14:33 s 1 -101749.56 8 +369763.71 7960.0 C57
2019-04-16 16:44:33 S 12 23 17.479 -13 34 56.78 V C57
2019-04-16 16:44:33 s 1 -102747.66 0 +369287.08 1470.0 C57
2019-04-16 20:14:33 S 12 23 01.454 -13 31 39.86 V C57
2019-04-16 20:14:33 s 1 -109664.44 9 +365710.24 9540.0 C57
2019-04-17 04:14:33 S 12 22 25.786 -13 24 23.51 V C57
2019-04-17 04:14:33 s 1 -124975.86 4 +355952.31 5730.0 C57
2019-04-17 05:44:33 S 12 22 18.838 -13 22 55.16 V C57
2019-04-17 05:44:33 s 1 -127762.30 9 +353877.01 9650.0 C57
2019-04-17 07:44:33 S 12 22 10.538 -13 21 16.16 V C57
2019-04-17 07:44:33 s 1 -131432.99 7 +350988.88 8880.0 C57
2019-04-17 12:14:33 S 12 21 50.114 -13 17 11.22 V C57
2019-04-17 12:14:33 s 1 -139496.15 4 +343983.18 150.0 C57
2019-04-17 14:14:33 S 12 21 41.234 -13 15 16.70 V C57
2019-04-17 14:14:33 s 1 -142988.00 4 +340643.21 8520.0 C57
2019-04-18 08:14:33 S 12 20 23.040 -12 59 27.10 V C57
2019-04-18 08:14:33 s 1 -171455.65 6 +304228.82 1440.0 C57
2019-04-18 09:14:33 S 12 20 18.362 -12 58 26.51 V C57
2019-04-18 09:14:33 s 1 -172859.92 9 +301865.44 8850.0 C57
2019-04-18 10:44:33 S 12 20 11.760 -12 57 07.02 V C57
2019-04-18 10:44:33 s 1 -174926.83 3 +298252.05 7840.0 C57
2019-04-18 11:14:33 S 12 20 09.451 -12 56 42.18 V C57
2019-04-18 11:14:33 s 1 -175605.07 0 +297029.32 1480.0 C57
2019-04-18 12:44:33 S 12 20 03.156 -12 55 19.31 V C57
2019-04-18 12:44:33 s 1 -177606.88 9 +293306.16 1530.0 C57
2019-04-18 13:44:33 S 12 19 58.913 -12 54 33.91 V C57
2019-04-18 13:44:33 s 1 -178913.50 8 +290778.11 440.0 C57
2019-04-19 04:14:33 S 12 18 57.197 -12 41 55.82 V C57