IAA RAS IAA Minor Planet Database

418929 (2009 DM1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6407473893 ± 4.82e-09
Semi-major axis (a)2.8936861437 AU ± 2.96e-09
Inclination (i)15.19827680° ± 1.75e-06
Long. of Asc. Node (Ω)197.57588932° ± 3.90e-06
Arg. of Perihelion (ω)219.76610053° ± 4.62e-06
Mean Anomaly (M)151.56254403° ± 1.02e-06
Mean Motion (n)0.2002327625°/day ± 3.07e-10
Perihelion dist (q)1.03956430 AU ± 1.40e-08
Aphelion dist (Q)4.74780799 AU ± 1.48e-08
Orbital Period4.92240266 yr ± 7.55e-09
Physical Parameters
H (abs. magnitude)17.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty0
Orbit TypeAmor
MOID0.107802 AU
Observations Used2427
Oppositions17
Arc Total2003-2024
First Observation Used2003-11-21
Last Observation Used2024-05-05
Observations (4088)
Date Type RA Dec Mag Band Observatory
2018-12-18 14:44:39 S 04 58 10.202 -51 15 26.78 – V C57
2018-12-18 14:44:39 s 1 -72786.898 0 +379745.26 5780.0 – C57
2018-12-18 15:14:39 S 04 58 16.428 -51 14 42.68 – V C57
2018-12-18 15:14:39 s 1 -73715.946 0 +379544.45 5060.0 – C57
2018-12-18 15:44:39 S 04 58 22.274 -51 13 58.01 – V C57
2018-12-18 15:44:39 s 1 -74643.342 0 +379335.15 4000.0 – C57
2018-12-18 16:14:39 S 04 58 28.574 -51 13 10.88 – V C57
2018-12-18 16:14:39 s 1 -75569.064 0 +379117.36 2730.0 – C57
2018-12-18 16:44:39 S 04 58 34.627 -51 12 26.57 – V C57
2018-12-18 16:44:39 s 1 -76493.092 0 +378891.08 1370.0 – C57
2018-12-18 17:14:39 S 04 58 40.798 -51 11 40.16 – V C57
2018-12-18 17:14:39 s 1 -77415.402 0 +378656.31 40.0 – C57
2018-12-18 17:44:39 S 04 58 46.915 -51 10 53.83 – V C57
2018-12-18 17:44:39 s 1 -78335.973 0 +378413.05 8870.0 – C57
2018-12-18 18:14:39 S 04 58 52.759 -51 10 08.69 – V C57
2018-12-18 18:14:39 s 1 -79254.784 0 +378161.31 7990.0 – C57
2018-12-18 18:44:39 S 04 58 58.793 -51 09 23.22 – V C57
2018-12-18 18:44:39 s 1 -80171.811 0 +377901.08 2480.0 – C57
2018-12-18 19:14:39 S 04 59 04.915 -51 08 38.00 – V C57
2018-12-18 19:14:39 s 1 -81087.034 0 +377632.37 2410.0 – C57
2018-12-18 19:44:39 S 04 59 10.999 -51 07 51.85 – V C57
2018-12-18 19:44:39 s 1 -82000.430 0 +377355.18 1690.0 – C57
2018-12-18 20:14:39 S 04 59 16.997 -51 07 06.38 – V C57
2018-12-18 20:14:39 s 1 -82911.976 0 +377069.50 170.0 – C57
2018-12-18 20:44:39 S 04 59 22.942 -51 06 21.89 – V C57
2018-12-18 20:44:39 s 1 -83821.651 0 +376775.35 7740.0 – C57
2018-12-18 21:14:39 S 04 59 29.234 -51 05 33.79 – V C57
2018-12-18 21:14:39 s 1 -84729.432 0 +376472.71 4270.0 – C57
2018-12-18 21:44:39 S 04 59 35.160 -51 04 48.83 – V C57
2018-12-18 21:44:39 s 1 -85635.297 0 +376161.60 9640.0 – C57
2018-12-18 22:14:39 S 04 59 41.208 -51 04 02.03 – V C57
2018-12-18 22:14:39 s 1 -86539.223 0 +375842.00 3710.0 – C57
2018-12-18 22:44:39 S 04 59 47.374 -51 03 16.45 – V C57
2018-12-18 22:44:39 s 1 -87441.187 0 +375513.93 6360.0 – C57
2018-12-18 23:14:39 S 04 59 53.314 -51 02 31.34 – V C57
2018-12-18 23:14:39 s 1 -88341.168 0 +375177.37 7470.0 – C57
2018-12-18 23:44:39 S 04 59 59.434 -51 01 43.50 – V C57
2018-12-18 23:44:39 s 1 -89239.143 0 +374832.33 6900.0 – C57
2018-12-19 00:44:39 S 05 00 11.227 -51 00 12.13 – V C57
2018-12-19 00:44:39 s 1 -91028.980 0 +374116.82 240.0 – C57
2018-12-19 01:14:39 S 05 00 17.335 -50 59 25.76 – V C57
2018-12-19 01:14:39 s 1 -91920.797 0 +373746.33 3890.0 – C57
2018-12-19 01:44:39 S 05 00 23.381 -50 58 38.53 – V C57
2018-12-19 01:44:39 s 1 -92810.516 0 +373367.37 5350.0 – C57
2018-12-19 02:14:39 S 05 00 29.515 -50 57 52.92 – V C57
2018-12-19 02:14:39 s 1 -93698.114 0 +372979.91 4500.0 – C57
2018-12-19 02:44:39 S 05 00 35.419 -50 57 06.52 – V C57
2018-12-19 02:44:39 s 1 -94583.567 0 +372583.97 1210.0 – C57
2018-12-19 03:14:39 S 05 00 41.438 -50 56 20.00 – V C57
2018-12-19 03:14:39 s 1 -95466.852 0 +372179.55 5340.0 – C57