612541 (2003 DA16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6245910303 ± 6.33e-08
Semi-major axis (a)2.5961380171 AU ± 9.51e-09
Inclination (i)45.67400750° ± 2.22e-05
Long. of Asc. Node (Ω)159.05215323° ± 8.27e-06
Arg. of Perihelion (ω)282.59729191° ± 1.90e-05
Mean Anomaly (M)178.42140758° ± 1.69e-05
Mean Motion (n)0.2356245894°/day ± 1.29e-09
Perihelion dist (q)0.97461350 AU ± 1.64e-07
Aphelion dist (Q)4.21766254 AU ± 1.65e-07
Orbital Period4.18303661 yr ± 2.30e-08
Physical Parameters
H (abs. magnitude)17.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.429″
Uncertainty0
Orbit TypeApollo
MOID0.314333 AU
Observations Used190
Oppositions17
Arc Total2002-2024
First Observation Used2002-08-23
Last Observation Used2024-04-14
Observations (200)
Date Type RA Dec Mag Band Observatory
2003-03-13 07:15:32 C 11 29 51.96 +29 01 32.5 18.4 c 704
2003-03-21 09:34:09 C 11 20 27.46 +34 14 26.7 c 644
2003-03-21 09:35:50 C 11 20 27.37 +34 14 29.3 19.2 c 644
2003-03-21 10:04:29 C 11 20 26.06 +34 15 04.6 c 644
2003-03-21 10:06:10 C 11 20 26.02 +34 15 06.9 19.1 c 644
2003-03-21 10:35:15 C 11 20 24.73 +34 15 43.3 18.9 c 644
2003-04-01 05:05:38 C 11 12 13.83 +38 11 08.8 20.3 c 644
2003-04-01 05:35:19 C 11 12 13.08 +38 11 27.2 20.3 c 644
2003-04-01 06:05:15 C 11 12 12.35 +38 11 46.0 20.5 c 644
2003-04-25 03:24:53 C 11 11 16.540 +40 14 33.79 e 645
2003-04-25 03:29:53 C 11 11 16.612 +40 14 33.54 22.07 e 645
2003-04-27 05:23:30 C 11 12 06.43 +40 10 46.1 c 696
2003-04-27 05:39:55 C 11 12 06.66 +40 10 44.8 c 696
2003-04-28 05:31:49 C 11 12 33.22 +40 08 22.0 c 658
2003-04-28 05:48:53 C 11 12 33.56 +40 08 19.7 c 658
2003-04-28 06:01:49 C 11 12 33.75 +40 08 18.3 c 658
2003-07-31 06:57:12 C 12 53 00.256 +27 08 11.82 o 568
2003-07-31 07:05:51 C 12 53 00.740 +27 08 08.28 o 568
2006-07-25 23:07:48 C 22 20 26.04 +12 35 57.5 c 540
2006-07-25 23:25:16 C 22 20 25.56 +12 35 51.1 c 540
2006-07-25 23:42:45 C 22 20 25.12 +12 35 44.7 c 540
2006-08-24 04:43:43 C 21 49 17.79 +03 45 38.7 20.5 c H55
2006-08-24 04:49:18 C 21 49 17.40 +03 45 33.2 20.4 c H55
2006-08-24 04:54:58 C 21 49 17.09 +03 45 26.5 20.5 c H55
2006-08-31 21:39:16 C 21 38 00.69 -00 04 07.4 r A13
2006-08-31 22:07:23 C 21 37 59.02 -00 04 46.1 r A13
2006-09-15 02:50:04 C 21 17 35.32 -08 07 53.2 c 691
2006-09-15 03:24:04 C 21 17 33.39 -08 08 43.3 c 691
2006-09-15 03:58:02 C 21 17 31.49 -08 09 32.6 c 691
2006-09-27 03:11:36 C 21 03 51.51 -15 01 40.5 r G96
2006-09-27 03:22:52 C 21 03 51.08 -15 01 55.9 r G96
2006-09-27 03:34:27 C 21 03 50.61 -15 02 12.7 r G96
2006-09-27 03:45:55 C 21 03 50.14 -15 02 27.7 r G96
2007-05-07 03:28:31 C 08 29 32.77 +25 26 23.8 o 291
2007-05-07 03:34:32 C 08 29 33.59 +25 26 27.4 o 291
2007-05-07 03:41:08 C 08 29 34.54 +25 26 30.9 o 291
2010-07-14 07:57:42 C 21 16 04.39 +18 23 25.0 o H21
2010-07-14 08:26:35 C 21 16 03.36 +18 23 20.9 o H21
2010-07-14 08:57:09 C 21 16 02.29 +18 23 16.7 o H21
2016-04-03 08:35:33 C 15 50 20.49 +34 57 44.6 u H21
2016-04-03 08:53:57 C 15 50 19.94 +34 57 56.4 u H21
2016-04-03 09:19:56 C 15 50 19.15 +34 58 12.8 u H21
2020-03-22 08:27:25 C 15 04 59.07 +33 49 02.8 u H21
2020-03-22 08:36:54 C 15 04 58.74 +33 49 11.2 u H21
2020-03-22 08:44:10 C 15 04 58.49 +33 49 17.4 u H21
2020-04-01 07:30:01 C 14 56 00.24 +37 01 01.5 u H21
2020-04-01 07:36:51 C 14 55 59.88 +37 01 06.1 u H21
2020-04-01 07:41:02 C 14 55 59.70 +37 01 09.1 u H21
2020-04-02 06:37:49 C 14 54 59.14 +37 17 26.3 u H21
2020-04-02 06:44:48 C 14 54 58.82 +37 17 30.4 u H21