IAA RAS IAA Minor Planet Database

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
2020-11-23 15:31:20 C 08 24 14.80 +40 22 47.7 – V T05
2020-11-23 15:35:57 C 08 24 15.15 +40 22 53.9 – V T05
2020-11-23 15:39:54 C 08 24 15.46 +40 22 59.3 – V T05
2020-11-23 15:44:33 C 08 24 15.81 +40 23 05.4 – V T05
2020-11-24 09:34:37 C 08 25 46.13 +40 47 21.0 – V 703
2020-11-24 09:42:26 C 08 25 46.77 +40 47 32.0 – V 703
2020-11-24 09:50:14 C 08 25 47.36 +40 47 42.9 – V 703
2020-11-24 09:58:03 C 08 25 47.98 +40 47 54.5 – V 703
2020-11-25 15:11:02 C 08 28 07.70 +41 27 32.8 – V T08
2020-11-25 15:16:29 C 08 28 08.09 +41 27 40.1 – V T08
2020-11-25 15:28:12 C 08 28 08.92 +41 27 55.7 – V T08
2020-11-25 15:39:46 C 08 28 09.74 +41 28 11.1 – V T08
2020-11-25 22:54:16 C 08 28 45.32 +41 37 43.0 – V L74
2020-11-25 22:55:05 C 08 28 45.38 +41 37 44.0 – V L74
2020-11-25 22:55:56 C 08 28 45.45 +41 37 45.1 – V L74
2020-11-25 22:56:45 C 08 28 45.51 +41 37 46.4 – V L74
2020-11-25 22:57:33 C 08 28 45.57 +41 37 47.5 – V L74
2020-11-26 08:06:55 C 08 29 27.64 +41 50 09.2 – V 703
2020-11-26 08:14:54 C 08 29 28.26 +41 50 19.9 – V 703
2020-11-26 08:22:53 C 08 29 28.84 +41 50 30.8 – V 703
2020-11-26 08:30:52 C 08 29 29.49 +41 50 42.2 – V 703
2020-11-28 07:47:28 C 08 32 56.46 +42 53 24.4 – V 703
2020-11-28 07:55:30 C 08 32 56.99 +42 53 35.3 – V 703
2020-11-28 08:03:31 C 08 32 57.52 +42 53 46.3 – V 703
2020-11-28 08:11:33 C 08 32 58.04 +42 53 57.3 – V 703
2020-11-29 11:35:06 C 08 34 49.36 +43 29 50.9 – V T08
2020-11-29 11:42:24 C 08 34 49.80 +43 30 00.5 – V T08
2020-11-29 11:50:26 C 08 34 50.28 +43 30 11.3 – V T08
2020-11-29 12:07:01 C 08 34 51.26 +43 30 33.4 – V T08
2020-11-29 21:34:02 C 08 35 28.34 +43 42 31.6 – V G33
2020-11-29 21:34:57 C 08 35 28.40 +43 42 32.8 – V G33
2020-11-29 21:35:54 C 08 35 28.46 +43 42 33.7 – V G33
2020-11-29 21:36:49 C 08 35 28.50 +43 42 35.5 – V G33
2020-11-29 21:37:45 C 08 35 28.59 +43 42 36.5 – V G33
2020-11-29 21:38:41 C 08 35 28.65 +43 42 37.7 – V G33
2020-12-01 10:58:43 C 08 37 46.93 +44 30 47.3 – V T05
2020-12-01 11:08:02 C 08 37 47.44 +44 30 59.6 – V T05
2020-12-01 11:11:20 C 08 37 47.62 +44 31 04.0 – V T05
2020-12-01 11:27:51 C 08 37 48.49 +44 31 25.7 – V T05
2020-12-02 09:13:44 C 08 39 02.95 +44 58 56.3 – U I41
2020-12-02 09:15:04 C 08 39 03.02 +44 58 58.0 – U I41
2020-12-02 10:47:15 C 08 39 07.55 +45 00 56.1 – U I41
2020-12-02 10:48:37 C 08 39 07.62 +45 00 57.9 – U I41
2020-12-06 07:04:51 C 08 43 34.91 +46 54 08.6 – q U55
2020-12-06 07:10:39 C 08 43 35.14 +46 54 15.8 – q U55
2020-12-06 07:16:23 C 08 43 35.36 +46 54 23.0 – q U55
2020-12-06 11:48:50 C 08 43 44.84 +47 00 00.3 – V 703
2020-12-06 11:56:59 C 08 43 45.11 +47 00 10.0 – V 703
2020-12-06 12:05:06 C 08 43 45.38 +47 00 19.5 – V 703
2020-12-06 12:13:14 C 08 43 45.65 +47 00 29.2 – V 703