2017 WW12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5569298499 ± 2.25e-06
Semi-major axis (a)2.7050828055 AU ± 1.90e-05
Inclination (i)20.10935793° ± 4.61e-05
Long. of Asc. Node (Ω)219.69076509° ± 4.39e-05
Arg. of Perihelion (ω)237.81098557° ± 6.47e-05
Mean Anomaly (M)273.60302064° ± 6.52e-03
Mean Motion (n)0.2215345311°/day ± 2.33e-06
Perihelion dist (q)1.19854144 AU ± 1.04e-05
Aphelion dist (Q)4.21162417 AU ± 3.02e-05
Orbital Period4.44908646 yr ± 4.69e-05
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.237″
Uncertainty1
Orbit TypeAmor
MOID0.325233 AU
Observations Used73
Oppositions1
Arc Total2017-2018
First Observation Used2017-10-21
Last Observation Used2018-03-07
Observations (78)
Date Type RA Dec Mag Band Observatory
2017-12-21 03:57:55 C 01 59 24.91 -16 28 00.9 o 691
2017-12-21 04:18:23 C 01 59 26.48 -16 28 21.2 o 691
2017-12-21 04:39:54 C 01 59 28.16 -16 28 41.3 o 691
2017-12-21 06:01:51 C 01 59 34.58 -16 30 00.4 o 691
2017-12-21 06:24:04 C 01 59 36.32 -16 30 21.9 o 691
2017-12-23 04:17:04 C 02 03 28.76 -17 13 25.5 U G96
2017-12-23 04:24:35 C 02 03 29.39 -17 13 32.8 U G96
2017-12-23 04:32:08 C 02 03 30.00 -17 13 38.9 U G96
2017-12-23 04:39:40 C 02 03 30.62 -17 13 46.1 U G96
2018-01-05 02:56:16 C 02 33 52.22 -20 49 01.3 o 691
2018-01-05 03:18:12 C 02 33 54.46 -20 49 11.4 o 691
2018-01-05 03:40:03 C 02 33 56.77 -20 49 22.2 o 691
2018-01-06 05:51:19 C 02 36 48.771 -21 01 50.60 U F51
2018-01-06 06:09:26 C 02 36 50.688 -21 01 58.97 U F51
2018-01-06 06:27:34 C 02 36 52.585 -21 02 07.29 U F51
2018-01-06 06:45:45 C 02 36 54.498 -21 02 15.64 U F51
2018-01-19 01:58:26 C 03 13 27.40 -22 29 18.8 u 807
2018-01-19 02:06:36 C 03 13 28.42 -22 29 19.6 u 807
2018-01-19 02:14:55 C 03 13 29.44 -22 29 20.5 u 807
2018-01-20 02:10:45 C 03 16 32.77 -22 31 49.1 u 807
2018-01-20 02:20:49 C 03 16 34.04 -22 31 49.9 u 807
2018-01-20 02:30:52 C 03 16 35.30 -22 31 50.4 u 807
2018-02-04 01:22:30 C 04 05 15.35 -22 02 46.0 U 807
2018-02-04 01:32:00 C 04 05 16.72 -22 02 44.4 U 807
2018-02-04 01:41:30 C 04 05 18.01 -22 02 42.1 U 807
2018-03-07 00:29:08 C 05 55 30.90 -15 55 55.8 U 807
2018-03-07 00:38:43 C 05 55 32.30 -15 55 49.6 U 807
2018-03-07 00:46:34 C 05 55 33.44 -15 55 44.2 U 807