53435 Leonard (1999 VM40)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4830697100 ± 4.35e-09
Semi-major axis (a)2.3109343123 AU ± 1.12e-09
Inclination (i)15.34810429° ± 5.52e-07
Long. of Asc. Node (Ω)51.35264368° ± 1.86e-06
Arg. of Perihelion (ω)354.48866791° ± 1.47e-06
Mean Anomaly (M)161.59177108° ± 8.32e-07
Mean Motion (n)0.2805633088°/day ± 2.03e-10
Perihelion dist (q)1.19459194 AU ± 1.01e-08
Aphelion dist (Q)3.42727668 AU ± 1.02e-08
Orbital Period3.51302630 yr ± 2.54e-09
Physical Parameters
H (abs. magnitude)14.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.011″
Uncertainty0
Orbit TypeAmor
MOID0.204097 AU
Observations Used2794
Gaia Obs Used242
Oppositions30
Arc Total1974-2025
First Observation Used1974-08-13
Last Observation Used2025-06-24
Observations (2929)
Date Type RA Dec Mag Band Observatory
2011-05-01 21:29:51 C 12 39 10.81 +09 25 35.8 c A24
2011-05-01 21:53:49 C 12 39 10.05 +09 25 34.8 c A24
2011-05-01 22:03:06 C 12 39 09.75 +09 25 33.9 c A24
2011-05-01 22:16:46 C 12 39 09.33 +09 25 33.9 c A24
2012-02-26 12:38:21 C 16 25 36.44 -21 37 38.3 r G96
2012-02-26 12:45:50 C 16 25 36.58 -21 37 39.2 r G96
2012-02-26 12:53:29 C 16 25 36.73 -21 37 40.2 r G96
2013-04-22 18:42:28 C 22 21 22.32 -24 16 24.1 r E12
2013-04-22 18:55:55 C 22 21 23.61 -24 16 20.2 r E12
2013-04-22 19:09:13 C 22 21 24.84 -24 16 16.7 r E12
2013-04-22 19:22:31 C 22 21 26.10 -24 16 13.6 r E12
2013-04-28 18:27:06 C 22 35 09.99 -23 30 41.5 r E12
2013-04-28 18:43:42 C 22 35 11.58 -23 30 36.7 r E12
2013-04-28 18:59:11 C 22 35 13.12 -23 30 31.2 r E12
2013-08-05 07:40:19 C 02 59 54.06 -04 27 08.8 r Y00
2013-08-05 07:43:15 C 02 59 54.45 -04 27 06.8 r Y00
2013-08-05 07:46:10 C 02 59 54.84 -04 27 04.4 r Y00
2013-08-16 05:15:49 C 03 35 52.65 -01 07 52.9 r Y00
2013-08-16 05:18:42 C 03 35 53.08 -01 07 50.3 r Y00
2013-08-16 05:21:31 C 03 35 53.51 -01 07 48.0 r Y00
2013-08-22 08:09:00 C 03 56 46.66 +00 53 40.4 r Y00
2013-08-22 08:11:44 C 03 56 47.07 +00 53 42.0 r Y00
2013-08-22 08:14:29 C 03 56 47.46 +00 53 45.1 r Y00
2013-09-18 03:42:40 C 05 33 50.83 +10 59 24.0 c A24
2013-09-18 03:43:43 C 05 33 50.93 +10 59 24.8 c A24
2013-09-21 07:42:58 C 05 45 46.54 +12 16 53.7 r Y00
2013-09-21 07:45:17 C 05 45 46.87 +12 16 56.8 r Y00
2013-09-21 07:47:36 C 05 45 47.17 +12 17 00.0 r Y00
2013-09-23 04:01:01 C 05 52 45.47 +13 01 55.4 c A24
2013-09-23 04:02:03 C 05 52 45.62 +13 01 56.2 c A24
2013-09-25 03:16:48 C 06 00 13.77 +13 50 21.1 c A24
2013-09-25 03:17:50 C 06 00 13.92 +13 50 22.0 c A24
2013-10-11 07:28:56 C 07 01 37.26 +20 26 24.4 r Y00
2013-10-11 07:35:26 C 07 01 38.24 +20 26 31.5 r Y00
2013-10-11 07:40:14 C 07 01 38.97 +20 26 36.8 r Y00
2013-10-22 09:43:35 C 07 42 33.17 +24 46 13.2 u H21
2013-10-22 09:47:05 C 07 42 33.69 +24 46 16.5 u H21
2013-10-22 09:50:58 C 07 42 34.26 +24 46 20.3 u H21
2013-10-22 09:55:16 C 07 42 34.89 +24 46 24.4 u H21
2013-10-22 09:57:37 C 07 42 35.23 +24 46 26.6 u H21
2013-10-22 10:00:44 C 07 42 35.69 +24 46 29.7 u H21
2013-11-01 09:42:45 C 08 17 20.51 +28 28 34.7 o 926
2013-11-01 10:03:04 C 08 17 23.28 +28 28 53.6 o 926
2013-11-01 10:26:47 C 08 17 26.49 +28 29 15.4 o 926
2013-11-02 09:30:26 C 08 20 37.96 +28 50 02.2 q 703
2013-11-02 09:43:47 C 08 20 39.77 +28 50 14.6 q 703
2013-11-02 09:57:04 C 08 20 41.54 +28 50 26.8 q 703
2013-11-02 10:10:23 C 08 20 43.32 +28 50 39.2 q 703
2013-11-02 10:20:15 C 08 20 44.68 +28 50 48.6 o 926
2013-11-02 10:39:03 C 08 20 47.21 +28 51 05.8 o 926