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
2020-12-17 12:19:40 C 08 48 19.72 +51 46 44.2 – V T05
2020-12-17 12:40:00 C 08 48 19.44 +51 47 03.9 – V T05
2020-12-17 12:44:37 C 08 48 19.38 +51 47 08.4 – V T05
2020-12-17 12:52:40 C 08 48 19.26 +51 47 16.1 – V T05
2020-12-20 06:51:51 C 08 47 34.20 +52 47 40.6 – V 703
2020-12-20 06:59:42 C 08 47 34.02 +52 47 47.9 – V 703
2020-12-20 07:07:35 C 08 47 33.85 +52 47 55.1 – V 703
2020-12-20 07:15:27 C 08 47 33.68 +52 48 02.3 – V 703
2020-12-23 05:41:31 C 08 45 56.16 +53 46 39.5 – q U55
2020-12-23 05:48:31 C 08 45 55.95 +53 46 45.3 – q U55
2020-12-23 05:55:29 C 08 45 55.73 +53 46 51.2 – q U55
2020-12-23 07:30:39 C 08 45 52.75 +53 48 15.2 – V 703
2020-12-23 07:38:18 C 08 45 52.48 +53 48 21.5 – V 703
2020-12-23 07:45:58 C 08 45 52.20 +53 48 27.9 – V 703
2020-12-23 07:53:38 C 08 45 51.93 +53 48 34.2 – V 703
2020-12-23 11:45:26 C 08 45 44.82 +53 51 40.7 – V T08
2020-12-23 11:48:05 C 08 45 44.72 +53 51 42.9 – V T08
2020-12-23 11:56:09 C 08 45 44.42 +53 51 49.2 – V T08
2020-12-23 12:07:29 C 08 45 43.99 +53 51 58.2 – V T08
2020-12-25 08:53:40 C 08 44 15.998 +54 25 28.97 – U F51
2020-12-25 09:16:14 C 08 44 15.078 +54 25 46.33 – U F51
2020-12-25 09:38:45 C 08 44 14.137 +54 26 03.54 – U F51
2020-12-25 11:56:26 C 08 44 08.10 +54 27 46.6 – V T05
2020-12-25 12:01:03 C 08 44 07.90 +54 27 50.0 – V T05
2020-12-25 12:10:37 C 08 44 07.47 +54 27 57.0 – V T05
2020-12-25 12:41:57 C 08 44 06.05 +54 28 19.6 – V T05
2020-12-26 06:53:22 C 08 43 25.17 +54 41 00.2 – V 703
2020-12-26 07:01:15 C 08 43 24.80 +54 41 06.0 – V 703
2020-12-26 07:09:08 C 08 43 24.45 +54 41 11.7 – V 703
2020-12-26 07:17:02 C 08 43 24.09 +54 41 17.4 – V 703
2020-12-29 11:21:50 C 08 39 58.32 +55 29 43.4 – V T05
2020-12-29 11:25:09 C 08 39 58.13 +55 29 45.5 – V T05
2020-12-29 11:29:46 C 08 39 57.86 +55 29 48.1 – V T05
2020-12-29 11:39:12 C 08 39 57.32 +55 29 53.7 – V T05
2020-12-31 10:18:30 C 08 37 30.41 +55 55 19.3 – V T08
2020-12-31 10:22:36 C 08 37 30.17 +55 55 21.6 – V T08
2020-12-31 10:26:35 C 08 37 29.91 +55 55 23.6 – V T08
2020-12-31 10:34:32 C 08 37 29.40 +55 55 27.9 – V T08
2021-01-02 11:26:18 C 08 34 39.41 +56 18 35.5 – V T05
2021-01-02 11:31:07 C 08 34 39.09 +56 18 37.8 – V T05
2021-01-02 11:35:04 C 08 34 38.82 +56 18 39.5 – V T05
2021-01-02 11:42:19 C 08 34 38.32 +56 18 42.8 – V T05
2021-01-03 11:06:35 C 08 33 12.578 +56 28 28.56 – U F52
2021-01-03 11:28:57 C 08 33 11.008 +56 28 37.74 – U F52
2021-01-03 11:51:19 C 08 33 09.434 +56 28 46.81 – U F52
2021-01-03 12:37:21 C 08 33 06.192 +56 29 04.92 – U F52
2021-01-03 12:56:57 C 08 33 04.811 +56 29 12.46 – U F52
2021-01-03 13:16:34 C 08 33 03.440 +56 29 19.99 – U F52
2021-01-03 13:36:19 C 08 33 02.045 +56 29 27.54 – U F52
2021-01-04 10:52:24 C 08 31 42.556 +56 37 31.77 – U F52