2016 DW21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5961810286 ± 7.52e-06
Semi-major axis (a)2.6418286195 AU ± 4.48e-05
Inclination (i)15.54356316° ± 1.29e-04
Long. of Asc. Node (Ω)133.11075002° ± 9.20e-05
Arg. of Perihelion (ω)94.17186367° ± 1.15e-04
Mean Anomaly (M)77.19393131° ± 2.08e-02
Mean Motion (n)0.2295383815°/day ± 5.84e-06
Perihelion dist (q)1.06682052 AU ± 2.69e-05
Aphelion dist (Q)4.21683672 AU ± 7.42e-05
Orbital Period4.29394978 yr ± 1.09e-04
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.402″
Uncertainty2
Orbit TypeAmor
MOID0.258561 AU
Observations Used71
Oppositions1
Arc Total2016-2016
First Observation Used2016-02-28
Last Observation Used2016-07-07
Observations (71)
Date Type RA Dec Mag Band Observatory
2016-02-28 12:55:56 C 11 19 41.992 +29 21 20.34 L F51
2016-02-28 13:12:21 C 11 19 42.280 +29 21 52.62 L F51
2016-02-28 13:28:24 C 11 19 42.569 +29 22 24.63 L F51
2016-02-28 13:44:10 C 11 19 42.815 +29 22 56.02 L F51
2016-02-29 08:11:27 C 11 20 08.82 +30 00 09.9 t 705
2016-02-29 08:12:55 C 11 20 08.88 +30 00 11.9 t 705
2016-02-29 08:14:22 C 11 20 08.87 +30 00 15.8 t 705
2016-03-01 11:12:04 C 11 20 45.35 +30 55 29.2 o 691
2016-03-01 11:16:39 C 11 20 45.42 +30 55 38.6 o 691
2016-03-01 11:21:14 C 11 20 45.51 +30 55 47.5 o 691
2016-03-02 04:51:10 C 11 21 12.05 +31 32 09.3 q I52
2016-03-02 04:56:11 C 11 21 12.18 +31 32 19.6 q I52
2016-03-02 05:05:20 C 11 21 12.30 +31 32 38.8 q I52
2016-03-06 06:46:40 C 11 23 35.04 +35 01 44.5 t 705
2016-03-06 06:48:07 C 11 23 35.04 +35 01 47.2 t 705
2016-03-13 05:40:52 C 11 28 30.10 +41 13 06.2 q I52
2016-03-13 05:43:12 C 11 28 30.08 +41 13 11.8 q I52
2016-03-13 05:47:22 C 11 28 30.29 +41 13 21.1 q I52
2016-03-13 05:49:42 C 11 28 30.36 +41 13 26.4 q I52
2016-03-14 07:19:19 C 11 29 23.37 +42 10 37.6 q I52
2016-03-14 07:21:25 C 11 29 23.43 +42 10 42.8 q I52
2016-03-14 07:25:37 C 11 29 23.65 +42 10 51.9 q I52
2016-03-15 12:17:32 C 11 30 26.47 +43 15 17.1 o 291
2016-03-15 12:19:31 C 11 30 26.60 +43 15 20.4 o 291
2016-03-15 12:21:30 C 11 30 26.64 +43 15 26.1 o 291
2016-03-18 04:08:22 C 11 33 08.45 +45 37 11.3 u H21
2016-03-18 04:16:45 C 11 33 08.78 +45 37 30.0 u H21
2016-03-18 04:30:23 C 11 33 09.29 +45 38 00.3 u H21
2016-03-22 06:55:16 C 11 38 08.12 +49 11 30.0 t 705
2016-03-22 06:56:43 C 11 38 08.18 +49 11 32.9 t 705
2016-03-22 06:58:10 C 11 38 08.23 +49 11 35.8 t 705
2016-03-27 09:37:39 C 11 46 17.99 +53 23 50.5 o 926
2016-03-27 09:48:01 C 11 46 18.76 +53 24 10.2 o 926
2016-03-27 09:58:22 C 11 46 19.48 +53 24 30.1 o 926
2016-04-17 03:47:51 C 12 58 17.36 +66 05 18.6 o 926
2016-04-17 03:53:23 C 12 58 18.60 +66 05 24.4 o 926
2016-04-17 03:58:53 C 12 58 19.66 +66 05 30.0 o 926
2016-04-25 08:01:21 C 13 50 23.06 +68 26 21.0 o 926
2016-04-25 08:12:30 C 13 50 26.06 +68 26 25.7 o 926
2016-04-25 08:24:12 C 13 50 29.36 +68 26 29.9 o 926
2016-05-10 09:04:50 C 15 43 53.04 +67 26 10.1 q I52
2016-05-10 09:06:56 C 15 43 53.57 +67 26 08.8 q I52
2016-05-10 09:09:03 C 15 43 54.08 +67 26 07.6 q I52
2016-05-24 07:07:45 C 17 05 49.61 +60 14 47.3 o 926
2016-05-24 07:18:16 C 17 05 51.33 +60 14 29.0 o 926
2016-05-24 07:28:59 C 17 05 53.33 +60 14 09.7 o 926
2016-05-25 08:54:08 C 17 10 35.36 +59 28 14.9 o 926
2016-05-25 09:05:22 C 17 10 37.21 +59 27 53.8 o 926
2016-05-25 09:16:39 C 17 10 39.04 +59 27 33.3 o 926
2016-05-30 08:27:34 C 17 30 11.12 +55 28 59.6 u H21