523657 (2012 DJ4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3397560425 ± 4.33e-08
Semi-major axis (a)1.7949640168 AU ± 4.75e-09
Inclination (i)7.84554924° ± 1.07e-05
Long. of Asc. Node (Ω)155.26260912° ± 2.41e-05
Arg. of Perihelion (ω)271.52396148° ± 3.77e-05
Mean Anomaly (M)306.67812380° ± 2.27e-05
Mean Motion (n)0.4098535074°/day ± 1.63e-09
Perihelion dist (q)1.18511415 AU ± 7.77e-08
Aphelion dist (Q)2.40481389 AU ± 7.79e-08
Orbital Period2.40482579 yr ± 9.54e-09
Physical Parameters
H (abs. magnitude)20.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.265″
Uncertainty0
Orbit TypeAmor
MOID0.246841 AU
Observations Used99
Oppositions7
Arc Total2012-2024
First Observation Used2012-01-19
Last Observation Used2024-04-03
Observations (111)
Date Type RA Dec Mag Band Observatory
2012-03-14 06:44:58 C 10 08 50.55 +14 18 15.3 o 291
2012-03-14 06:51:42 C 10 08 50.37 +14 18 18.0 o 291
2012-03-14 06:58:22 C 10 08 50.24 +14 18 21.3 o 291
2012-03-24 02:59:27 C 10 05 56.61 +15 38 55.3 o H21
2012-03-24 03:11:13 C 10 05 56.52 +15 38 58.0 o H21
2012-03-24 03:23:41 C 10 05 56.44 +15 39 01.0 o H21
2012-04-19 05:10:39 C 10 15 32.27 +16 18 27.0 o 291
2012-04-19 05:31:53 C 10 15 32.89 +16 18 24.4 o 291
2012-04-19 05:53:07 C 10 15 33.50 +16 18 22.5 o 291
2013-07-15 10:04:16 C 19 23 34.346 -11 26 50.38 t 568
2013-07-15 10:05:17 C 19 23 34.286 -11 26 50.62 t 568
2013-07-15 10:06:11 C 19 23 34.231 -11 26 50.84 t 568
2013-08-08 09:16:01 C 18 52 52.025 -14 09 53.56 t 568
2013-08-08 09:21:29 C 18 52 51.784 -14 09 55.08 t 568
2013-08-08 09:26:55 C 18 52 51.536 -14 09 56.87 t 568
2017-04-01 09:26:26 C 13 26 28.65 +01 39 06.7 o 291
2017-04-01 09:36:49 C 13 26 28.03 +01 39 11.6 o 291
2017-04-01 09:47:13 C 13 26 27.49 +01 39 17.2 o 291
2018-08-04 06:45:41 C 22 21 02.16 -05 43 11.6 u H21
2018-08-04 07:02:28 C 22 21 01.69 -05 43 17.9 u H21
2018-08-04 07:20:16 C 22 21 01.20 -05 43 24.3 u H21
2018-08-05 07:10:57 C 22 20 24.34 -05 52 46.2 u H21
2018-08-05 07:29:56 C 22 20 23.79 -05 52 54.1 u H21
2018-08-11 11:51:31 C 22 15 45.591 -07 00 09.57 U F51
2018-08-11 12:08:47 C 22 15 44.926 -07 00 18.19 U F51
2018-08-11 12:26:03 C 22 15 44.250 -07 00 27.05 U F51
2018-08-11 12:43:27 C 22 15 43.567 -07 00 35.85 U F51
2018-08-17 09:34:09 C 22 10 09.382 -08 18 15.38 U F51
2018-08-17 09:50:00 C 22 10 08.646 -08 18 24.86 U F51
2018-08-17 10:05:52 C 22 10 07.904 -08 18 34.52 U F51
2018-08-17 10:22:20 C 22 10 07.125 -08 18 44.12 U F51
2018-09-16 05:29:22 C 21 36 33.43 -16 27 57.2 V G96
2018-09-16 05:36:49 C 21 36 33.15 -16 28 02.0 V G96
2018-09-16 05:44:17 C 21 36 32.85 -16 28 06.4 V G96
2018-09-16 05:51:46 C 21 36 32.52 -16 28 10.8 V G96
2023-12-07 11:05:20 C 09 32 52.357 -03 22 16.90 V G96
2023-12-07 11:12:42 C 09 32 52.879 -03 22 18.41 V G96
2023-12-07 11:27:25 C 09 32 53.891 -03 22 21.79 V G96
2023-12-18 13:14:33 C 09 49 37.390 -03 58 58.58 X F51
2023-12-18 13:31:50 C 09 49 38.186 -03 58 59.27 X F51
2023-12-18 13:50:00 C 09 49 39.023 -03 58 59.82 X F51
2023-12-18 14:08:24 C 09 49 39.871 -03 59 00.43 X F51
2024-01-07 14:26:59 C 10 02 56.872 -02 25 06.24 X F51
2024-01-07 14:43:19 C 10 02 56.844 -02 24 58.96 X F51
2024-01-07 14:59:40 C 10 02 56.814 -02 24 51.75 X F51
2024-02-09 08:08:21 C 09 42 00.416 +07 39 18.73 X F52
2024-02-09 08:25:06 C 09 41 59.658 +07 39 34.19 X F52
2024-02-09 08:41:50 C 09 41 58.889 +07 39 49.62 X F52
2024-02-09 08:58:35 C 09 41 58.118 +07 40 05.11 X F52
2024-02-14 08:17:58 C 09 37 09.823 +09 27 01.87 X F52