2021 LD7

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5849750454 ± 3.92e-05
Semi-major axis (a)2.3919579425 AU ± 2.23e-04
Inclination (i)4.35522808° ± 1.86e-04
Long. of Asc. Node (Ω)104.81417457° ± 3.59e-04
Arg. of Perihelion (ω)195.12135659° ± 2.61e-04
Mean Anomaly (M)64.71730301° ± 5.96e-02
Mean Motion (n)0.2664292899°/day ± 3.73e-05
Perihelion dist (q)0.99272224 AU ± 1.32e-04
Aphelion dist (Q)3.79119365 AU ± 3.66e-04
Orbital Period3.69939162 yr ± 5.18e-04
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.278″
Uncertainty2
Orbit TypeApollo
MOID0.007036 AU
Observations Used49
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-12
Last Observation Used2021-08-08
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-06-12 09:21:17 C 20 23 55.95 +03 15 43.5 V U68
2021-06-12 09:26:06 C 20 23 59.63 +03 15 50.2 V U68
2021-06-12 09:52:44 C 20 24 20.03 +03 16 29.1 V U68
2021-06-12 09:57:33 C 20 24 23.66 +03 16 36.1 V U68
2021-06-14 08:27:36 C 21 02 44.51 +04 22 34.9 V U68
2021-06-14 08:31:49 C 21 02 47.96 +04 22 40.7 V U68
2021-06-14 09:59:37 C 21 04 00.84 +04 24 42.1 V U68
2021-06-14 10:03:49 C 21 04 04.30 +04 24 47.6 V U68
2021-06-15 09:45:31 C 21 24 28.64 +04 56 08.5 V I52
2021-06-15 09:46:35 C 21 24 29.55 +04 56 09.6 V I52
2021-06-15 09:47:40 C 21 24 30.46 +04 56 11.2 V I52
2021-06-15 22:48:49 C 21 35 51.43 +05 11 48.6 V L01
2021-06-15 23:15:45 C 21 36 14.58 +05 12 21.8 V L01
2021-06-15 23:17:03 C 21 36 15.68 +05 12 24.2 V L01
2021-06-15 23:43:35 C 21 36 38.53 +05 12 44.7 V J95
2021-06-15 23:52:43 C 21 36 46.36 +05 12 56.4 V J95
2021-06-16 00:01:42 C 21 36 54.08 +05 13 06.9 V J95
2021-06-16 00:09:27 C 21 37 00.72 +05 13 16.5 V J95
2021-06-16 07:20:46 C 21 43 15.05 +05 22 03.5 u H21
2021-06-16 07:24:48 C 21 43 18.46 +05 22 08.3 u H21
2021-06-16 07:28:50 C 21 43 21.86 +05 22 13.1 u H21
2021-06-16 07:32:52 C 21 43 25.29 +05 22 17.7 u H21
2021-06-16 07:36:53 C 21 43 28.69 +05 22 22.8 u H21
2021-06-16 08:18:08 C 21 44 05.97 +05 23 20.8 V I52
2021-06-16 08:20:33 C 21 44 08.00 +05 23 23.9 V I52
2021-06-16 08:22:58 C 21 44 10.06 +05 23 26.7 V I52
2021-06-17 10:36:00 C 22 06 43.54 +05 51 28.9 V 291
2021-06-17 10:41:32 C 22 06 48.13 +05 51 34.3 V 291
2021-06-17 10:47:09 C 22 06 52.73 +05 51 39.8 V 291
2021-06-18 08:41:47 C 22 25 23.82 +06 11 31.3 V I52
2021-06-18 08:45:25 C 22 25 26.74 +06 11 34.5 V I52
2021-06-18 08:47:14 C 22 25 28.20 +06 11 35.6 V I52
2021-06-18 09:23:05 C 22 25 57.35 +06 12 08.2 o 691
2021-06-18 09:42:38 C 22 26 13.17 +06 12 25.9 o 691
2021-06-18 10:02:20 C 22 26 29.01 +06 12 42.0 o 691
2021-06-19 08:42:44 C 22 44 55.90 +06 29 39.4 V 291
2021-06-19 08:44:58 C 22 44 57.66 +06 29 41.2 V 291
2021-06-19 08:47:15 C 22 44 59.42 +06 29 42.6 V 291
2021-06-20 10:23:06 C 23 04 43.57 +06 44 56.4 V 291
2021-06-20 10:25:29 C 23 04 45.30 +06 44 57.4 V 291
2021-06-20 10:27:52 C 23 04 47.03 +06 44 58.9 V 291
2021-06-20 10:30:16 C 23 04 48.67 +06 44 59.3 V I52
2021-06-20 10:35:01 C 23 04 52.09 +06 45 01.7 V I52
2021-06-20 10:37:26 C 23 04 53.87 +06 45 03.3 V I52
2021-06-20 10:39:51 C 23 04 55.59 +06 45 04.5 V I52
2021-06-20 13:18:14 C 23 06 54.73 +06 46 45.3 V F65
2021-06-20 13:20:05 C 23 06 56.10 +06 46 46.2 V F65
2021-06-20 13:21:55 C 23 06 57.38 +06 46 47.3 V F65
2021-06-20 13:23:46 C 23 06 58.65 +06 46 48.3 V F65
2021-06-22 10:38:36 C 23 38 31.13 +07 03 22.4 o 291