IAA RAS IAA Minor Planet Database

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
2019-04-02 05:14:33 s 1 -68199.299 0 +378894.40 5610.0 – C57
2019-04-02 06:14:33 S 12 57 59.791 -19 44 43.76 – V C57
2019-04-02 06:14:33 s 1 -70282.053 0 +378564.47 4310.0 – C57
2019-04-02 07:14:33 S 12 57 51.946 -19 43 30.32 – V C57
2019-04-02 07:14:33 s 1 -72358.676 0 +378200.12 2430.0 – C57
2019-04-02 07:15:23 C 12 57 00.74 -19 43 50.3 – V 703
2019-04-02 07:52:27 C 12 56 55.95 -19 43 06.5 – V 703
2019-04-02 08:00:14 C 12 56 54.91 -19 42 57.3 – V 703
2019-04-02 08:08:01 C 12 56 53.91 -19 42 47.5 – V 703
2019-04-02 09:14:33 S 12 57 36.600 -19 41 02.72 – V C57
2019-04-02 09:14:33 s 1 -76492.789 0 +377368.27 9720.0 – C57
2019-04-02 10:44:33 S 12 57 24.977 -19 39 15.26 – V C57
2019-04-02 10:44:33 s 1 -79575.904 0 +376654.26 1650.0 – C57
2019-04-02 11:08:42 C 12 56 31.07 -19 39 11.0 – V T08
2019-04-02 11:11:21 C 12 56 30.72 -19 39 07.2 – V T08
2019-04-02 11:14:33 S 12 57 21.197 -19 38 45.85 – V C57
2019-04-02 11:14:33 s 1 -80600.157 0 +376399.11 4180.0 – C57
2019-04-02 11:21:19 C 12 56 29.37 -19 38 55.8 – V T08
2019-04-02 11:23:59 C 12 56 29.03 -19 38 52.9 – V T08
2019-04-02 11:33:57 C 12 56 27.74 -19 38 40.2 – V T08
2019-04-02 11:36:36 C 12 56 27.44 -19 38 37.8 – V T08
2019-04-02 11:44:33 S 12 57 17.899 -19 38 06.97 – V C57
2019-04-02 11:44:33 s 1 -81622.645 0 +376135.40 5820.0 – C57
2019-04-02 11:46:34 C 12 56 26.15 -19 38 25.6 – V T08
2019-04-02 11:49:13 C 12 56 25.78 -19 38 22.2 – V T08
2019-04-02 12:44:33 S 12 57 10.560 -19 36 59.62 – V C57
2019-04-02 12:44:33 s 1 -83662.233 0 +375582.27 5980.0 – C57
2019-04-02 15:14:33 S 12 56 50.892 -19 34 01.20 – V C57
2019-04-02 15:14:33 s 1 -88728.671 0 +374049.73 3360.0 – C57
2019-04-02 15:44:33 S 12 56 47.590 -19 33 21.35 – V C57
2019-04-02 15:44:33 s 1 -89736.192 0 +373717.57 4050.0 – C57
2019-04-02 17:44:33 S 12 56 32.405 -19 30 54.86 – V C57
2019-04-02 17:44:33 s 1 -93746.259 0 +372303.49 7370.0 – C57
2019-04-02 18:44:33 S 12 56 24.475 -19 29 45.96 – V C57
2019-04-02 18:44:33 s 1 -95738.944 0 +371545.21 5880.0 – C57
2019-04-02 19:14:33 S 12 56 20.484 -19 29 14.64 – V C57
2019-04-02 19:14:33 s 1 -96732.114 0 +371153.26 1470.0 – C57
2019-04-02 20:44:33 S 12 56 09.451 -19 27 21.28 – V C57
2019-04-02 20:44:33 s 1 -99698.642 0 +369926.20 2350.0 – C57
2019-04-02 21:14:33 S 12 56 06.120 -19 26 50.39 – V C57
2019-04-02 21:14:33 s 1 -100683.07 5 +369500.11 6970.0 – C57
2019-04-02 21:44:33 S 12 56 02.105 -19 26 11.54 – V C57
2019-04-02 21:44:33 s 1 -101665.26 2 +369065.48 8590.0 – C57
2019-04-02 22:14:33 S 12 55 58.145 -19 25 32.52 – V C57
2019-04-02 22:14:33 s 1 -102645.17 7 +368622.32 7090.0 – C57
2019-04-02 23:44:33 S 12 55 46.608 -19 23 42.50 – V C57
2019-04-02 23:44:33 s 1 -105571.04 6 +367241.63 2800.0 – C57
2019-04-03 00:44:33 S 12 55 39.166 -19 22 35.65 – V C57
2019-04-03 00:44:33 s 1 -107509.80 7 +366278.49 9020.0 – C57
2019-04-03 01:14:33 S 12 55 35.261 -19 22 01.92 – V C57