2012 DL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3045612728 ± 2.00e+00
Semi-major axis (a)1.2499325430 AU ± 3.00e+00
Inclination (i)7.72649527° ± 4.00e+00
Long. of Asc. Node (Ω)154.56682871° ± 5.00e+00
Arg. of Perihelion (ω)280.34270174° ± 6.00e+00
Mean Anomaly (M)345.95650408° ± 1.20e-01
Mean Motion (n)0.7052939700°/day ± 2.54e+00
Perihelion dist (q)0.86927590 AU ± 3.26e+00
Aphelion dist (Q)1.63060470 AU ± 4.64e+00
Orbital Period1.39744240 yr ± 5.03e+00
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.253″
Uncertainty3
Orbit TypeApollo
MOID0.038345 AU
Observations Used37
Oppositions1
Arc Total2012-2012
First Observation Used
Last Observation Used2012-02-22
Observations (39)
Date Type RA Dec Mag Band Observatory
2012-02-19 06:33:06 C 09 28 44.41 +02 11 48.8 18.8 c 704
2012-02-19 06:50:43 C 09 28 47.44 +02 13 45.5 19.5 c 704
2012-02-19 07:08:20 C 09 28 50.56 +02 15 44.3 19.2 c 704
2012-02-19 07:25:47 C 09 28 53.69 +02 17 41.7 19.4 c 704
2012-02-19 20:12:07 C 09 31 36.33 +03 39 56.4 u J95
2012-02-19 20:18:49 C 09 31 37.57 +03 40 39.1 u J95
2012-02-19 20:28:33 C 09 31 39.34 +03 41 40.7 u J95
2012-02-19 20:28:50 C 09 31 39.85 +03 41 53.0 v I93
2012-02-19 20:43:27 C 09 31 42.46 +03 43 24.8 v I93
2012-02-19 21:09:40 C 09 31 47.04 +03 46 09.1 v I93
2012-02-19 21:52:43 C 09 31 54.45 +03 50 37.3 v I93
2012-02-20 00:30:39 C 09 32 29.01 +04 09 31.2 o 807
2012-02-20 00:34:20 C 09 32 29.64 +04 09 53.8 o 807
2012-02-20 00:38:00 C 09 32 30.28 +04 10 16.5 o 807
2012-02-20 00:45:16 C 09 32 31.56 +04 11 01.4 o 807
2012-02-20 00:49:23 C 09 32 32.28 +04 11 26.5 o 807
2012-02-20 06:54:37 C 09 33 33.13 +04 45 31.4 r H21
2012-02-20 07:00:16 C 09 33 34.03 +04 46 04.9 r H21
2012-02-20 07:07:08 C 09 33 35.12 +04 46 45.3 r H21
2012-02-20 21:10:56 C 09 36 10.51 +06 06 45.3 v B18
2012-02-20 21:13:58 C 09 36 10.93 +06 07 02.1 v B18
2012-02-20 21:20:00 C 09 36 11.85 +06 07 34.9 v B18
2012-02-21 00:38:42 C 09 36 53.42 +06 28 01.2 o 807
2012-02-21 00:42:27 C 09 36 53.97 +06 28 21.1 o 807
2012-02-21 00:46:13 C 09 36 54.57 +06 28 41.5 o 807
2012-02-21 00:49:20 C 09 36 55.05 +06 28 58.6 o 807
2012-02-21 13:02:00 C 09 38 50.93 +07 33 00.0 o 474
2012-02-21 13:04:01 C 09 38 51.24 +07 33 09.9 o 474
2012-02-21 13:10:07 C 09 38 52.06 +07 33 40.9 o 474
2012-02-21 13:12:08 C 09 38 52.35 +07 33 51.5 o 474
2012-02-22 00:19:57 C 09 40 46.13 +08 27 53.8 o 807
2012-02-22 00:28:03 C 09 40 47.26 +08 28 32.6 o 807
2012-02-22 00:35:44 C 09 40 48.31 +08 29 09.4 o 807
2012-02-22 05:36:46 C 09 41 28.50 +08 50 34.5 u H21
2012-02-22 05:43:01 C 09 41 29.30 +08 51 03.8 u H21
2012-02-22 05:55:50 C 09 41 30.91 +08 52 03.1 u H21
2012-02-22 22:50:37 C 09 44 00.20 +10 06 53.9 u 204
2012-02-22 23:12:46 C 09 44 02.82 +10 08 28.1 u 204
2012-02-22 23:34:53 C 09 44 05.42 +10 10 01.7 u 204