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
2019-04-03 01:14:33 s 1 -108475.56 6 +365784.11 6520.0 C57
2019-04-03 01:44:33 S 12 55 31.469 -19 21 21.56 V C57
2019-04-03 01:44:33 s 1 -109438.87 6 +365281.20 150.0 C57
2019-04-03 02:14:33 S 12 55 27.850 -19 20 50.35 V C57
2019-04-03 02:14:33 s 1 -110399.71 1 +364769.74 9780.0 C57
2019-04-03 03:44:33 S 12 55 16.872 -19 19 01.34 V C57
2019-04-03 03:44:33 s 1 -113267.10 7 +363184.13 3610.0 C57
2019-04-03 04:44:33 S 12 55 09.199 -19 17 54.56 V C57
2019-04-03 04:44:33 s 1 -115165.85 1 +362084.32 4140.0 C57
2019-04-03 05:14:33 S 12 55 05.616 -19 17 19.28 V C57
2019-04-03 05:14:33 s 1 -116111.28 8 +361521.60 7470.0 C57
2019-04-03 05:44:33 S 12 55 01.682 -19 16 43.03 V C57
2019-04-03 05:44:33 s 1 -117054.06 5 +360950.32 6020.0 C57
2019-04-03 06:14:33 S 12 54 58.308 -19 16 07.46 V C57
2019-04-03 06:14:33 s 1 -117994.15 6 +360370.49 9680.0 C57
2019-04-03 06:44:33 S 12 54 54.494 -19 15 34.06 V C57
2019-04-03 06:44:33 s 1 -118931.53 3 +359782.10 8320.0 C57
2019-04-03 08:14:33 S 12 54 42.785 -19 13 45.16 V C57
2019-04-03 08:14:33 s 1 -121727.11 1 +357965.57 3060.0 C57
2019-04-03 08:44:33 S 12 54 39.485 -19 13 12.94 V C57
2019-04-03 08:44:33 s 1 -122653.36 1 +357342.93 520.0 C57
2019-04-03 09:44:33 S 12 54 32.078 -19 12 00.94 V C57
2019-04-03 09:44:33 s 1 -124497.27 9 +356071.93 8560.0 C57
2019-04-03 10:14:33 S 12 54 27.845 -19 11 20.51 V C57
2019-04-03 10:14:33 s 1 -125414.89 0 +355423.56 8900.0 C57
2019-04-03 10:44:33 S 12 54 24.094 -19 10 47.53 V C57
2019-04-03 10:44:33 s 1 -126329.56 6 +354766.61 3290.0 C57
2019-04-03 13:44:33 S 12 54 01.594 -19 07 13.98 V C57
2019-04-03 13:44:33 s 1 -131755.52 7 +350644.48 9890.0 C57
2019-04-03 14:14:33 S 12 53 57.696 -19 06 43.67 V C57
2019-04-03 14:14:33 s 1 -132648.84 8 +349927.35 9310.0 C57
2019-04-03 14:44:33 S 12 53 53.820 -19 06 04.72 V C57
2019-04-03 14:44:33 s 1 -133539.00 0 +349201.60 1810.0 C57
2019-04-03 16:14:33 S 12 53 42.660 -19 04 17.08 V C57
2019-04-03 16:14:33 s 1 -136190.13 3 +346972.62 6530.0 C57
2019-04-03 16:44:33 S 12 53 39.475 -19 03 44.78 V C57
2019-04-03 16:44:33 s 1 -137067.30 1 +346212.35 90.0 C57
2019-04-03 17:44:33 S 12 53 31.394 -19 02 31.85 V C57
2019-04-03 17:44:33 s 1 -138811.63 8 +344665.90 4410.0 C57
2019-04-03 18:14:33 S 12 53 27.874 -19 01 54.34 V C57
2019-04-03 18:14:33 s 1 -139678.74 4 +343879.70 4910.0 C57
2019-04-03 18:44:33 S 12 53 23.808 -19 01 16.46 V C57
2019-04-03 18:44:33 s 1 -140542.43 3 +343084.83 7470.0 C57
2019-04-03 19:14:33 S 12 53 20.606 -19 00 47.95 V C57
2019-04-03 19:14:33 s 1 -141402.67 3 +342281.30 1950.0 C57
2019-04-03 20:14:33 S 12 53 13.274 -18 59 40.06 V C57
2019-04-03 20:14:33 s 1 -143112.67 5 +340648.22 6150.0 C57
2019-04-03 21:44:33 S 12 53 02.174 -18 57 50.04 V C57
2019-04-03 21:44:33 s 1 -145650.99 6 +338133.45 8530.0 C57
2019-04-03 22:14:33 S 12 52 58.349 -18 57 16.38 V C57