503865 (1999 VM11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2791134076 ± 2.24e-07
Semi-major axis (a)1.5948799911 AU ± 2.51e-08
Inclination (i)17.04986909° ± 2.26e-05
Long. of Asc. Node (Ω)217.99772000° ± 2.34e-05
Arg. of Perihelion (ω)206.44800233° ± 1.49e-04
Mean Anomaly (M)318.87687184° ± 2.00e-04
Mean Motion (n)0.4893507540°/day ± 1.15e-08
Perihelion dist (q)1.14972760 AU ± 3.57e-07
Aphelion dist (Q)2.04003238 AU ± 3.58e-07
Orbital Period2.01415094 yr ± 4.75e-08
Physical Parameters
H (abs. magnitude)20.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.492″
Uncertainty0
Orbit TypeAmor
MOID0.176138 AU
Observations Used51
Oppositions9
Arc Total1999-2017
First Observation Used1999-11-06
Last Observation Used2017-10-22
Observations (52)
Date Type RA Dec Mag Band Observatory
1999-11-06 03:56:19 C 23 53 14.63 +04 07 04.1 19.0 a 704
1999-11-06 04:19:48 C 23 53 16.58 +04 06 00.1 20.0 a 704
1999-11-06 04:43:19 C 23 53 18.43 +04 04 55.2 20.4 a 704
1999-11-06 05:06:50 C 23 53 20.41 +04 03 52.3 20.0 a 704
1999-11-06 05:30:25 C 23 53 22.36 +04 02 47.9 19.8 a 704
1999-11-07 02:52:54 C 23 55 21.30 +03 04 39.8 z 711
1999-11-07 02:58:31 C 23 55 21.74 +03 04 24.6 z 711
1999-11-07 03:03:59 C 23 55 22.22 +03 04 09.9 z 711
1999-11-08 03:05:30 C 23 57 38.16 +01 59 30.4 853
1999-11-08 03:11:36 C 23 57 38.67 +01 59 14.2 853
1999-11-08 03:18:58 C 23 57 39.32 +01 58 53.7 853
1999-11-08 03:21:46 C 23 57 39.58 +01 58 45.9 853
1999-11-09 03:26:40 C 23 59 59.17 +00 54 47.1 853
1999-11-09 04:12:06 C 00 00 03.15 +00 52 48.9 853
1999-11-09 04:15:53 C 00 00 03.48 +00 52 38.8 853
1999-11-09 04:17:38 C 00 00 03.68 +00 52 33.9 853
1999-11-10 01:56:28 C 00 02 13.36 -00 04 05.6 853
1999-11-10 01:57:50 C 00 02 13.45 -00 04 09.0 853
1999-11-10 02:00:47 C 00 02 13.72 -00 04 16.7 853
1999-11-11 04:15:41 C 00 04 52.09 -01 11 52.9 853
1999-11-11 04:19:05 C 00 04 52.39 -01 12 01.0 853
1999-11-11 04:28:38 C 00 04 53.28 -01 12 26.1 853
1999-11-14 04:11:57 C 00 12 28.15 -04 09 52.1 853
1999-11-14 04:17:42 C 00 12 28.77 -04 10 06.6 853
1999-11-14 04:20:27 C 00 12 29.04 -04 10 12.5 853
1999-12-30 12:42:06 C 02 34 00.91 -22 49 00.2 413
1999-12-30 12:45:46 C 02 34 01.45 -22 48 59.7 413
1999-12-30 12:52:37 C 02 34 02.27 -22 48 58.6 413
1999-12-30 12:56:50 C 02 34 02.80 -22 48 58.8 413
2003-10-05 03:41:20 C 21 46 21.02 +23 45 25.4 d 291
2003-10-05 03:52:27 C 21 46 21.09 +23 45 07.8 d 291
2003-10-05 04:03:44 C 21 46 21.10 +23 44 51.7 d 291
2003-10-05 06:03:05 C 21 46 21.52 +23 41 52.4 d 291
2003-10-05 06:08:59 C 21 46 21.49 +23 41 43.0 d 291
2003-10-05 06:15:20 C 21 46 21.62 +23 41 33.1 d 291
2003-10-21 02:06:41 C 21 59 10.40 +13 04 03.5 d 291
2003-10-21 02:17:48 C 21 59 10.99 +13 03 44.0 d 291
2003-10-21 02:30:09 C 21 59 11.62 +13 03 21.8 d 291
2007-08-24 02:49:14 C 21 14 20.99 +29 51 34.4 22.1 o H55
2007-08-24 03:07:02 C 21 14 20.01 +29 51 30.1 22.1 o H55
2009-07-27 06:03:38 C 21 22 51.74 +25 57 16.3 o H55
2009-07-27 07:15:10 C 21 22 48.72 +25 57 49.9 o H55
2009-07-27 07:21:26 C 21 22 48.45 +25 57 53.0 o H55
2011-07-24 06:44:06 C 21 04 45.64 +23 53 28.6 o H21
2011-07-24 07:15:21 C 21 04 44.12 +23 53 42.6 o H21
2017-07-31 08:33:52 C 19 54 23.60 +19 42 46.5 o 695
2017-07-31 08:37:38 C 19 54 23.35 +19 42 46.5 o 695
2017-07-31 08:41:23 C 19 54 23.11 +19 42 46.4 o 695
2017-07-31 08:49:10 C 19 54 22.62 +19 42 46.2 o 695
2017-07-31 08:52:55 C 19 54 22.35 +19 42 46.2 o 695