2017 SE12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2567227595 ± 2.00e+00
Semi-major axis (a)1.1121597411 AU ± 3.00e+00
Inclination (i)2.76266127° ± 4.00e+00
Long. of Asc. Node (Ω)181.49121053° ± 5.00e+00
Arg. of Perihelion (ω)89.45999014° ± 6.00e+00
Mean Anomaly (M)38.54841765° ± 9.00e-03
Mean Motion (n)0.8403368500°/day ± 3.40e+00
Perihelion dist (q)0.82664900 AU ± 3.15e+00
Aphelion dist (Q)1.39767020 AU ± 4.38e+00
Orbital Period1.17287210 yr ± 4.75e+00
Physical Parameters
H (abs. magnitude)27.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.265″
Uncertainty1
Orbit TypeApollo
MOID0.006325 AU
Observations Used20
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-09-27
Observations (22)
Date Type RA Dec Mag Band Observatory
2017-09-22 07:55:47 C 22 30 33.265 -03 11 30.86 L F51
2017-09-22 08:30:03 C 22 30 50.340 -03 13 11.35 L F51
2017-09-22 08:47:11 C 22 30 58.848 -03 14 01.25 L F51
2017-09-22 20:04:12 C 22 37 07.23 -03 46 13.6 20.9 U B04
2017-09-22 20:23:33 C 22 37 16.04 -03 47 02.9 20.3 U B04
2017-09-22 20:36:43 C 22 37 21.40 -03 47 31.4 q 104
2017-09-22 21:04:55 C 22 37 34.01 -03 48 42.9 q 104
2017-09-23 01:16:54 C 22 39 41.60 -03 53 58.6 u 807
2017-09-23 01:24:49 C 22 39 44.93 -03 54 17.7 u 807
2017-09-23 01:32:30 C 22 39 48.15 -03 54 36.5 u 807
2017-09-23 03:09:33 C 22 40 36.92 -04 02 40.8 o 926
2017-09-23 03:14:35 C 22 40 39.07 -04 02 52.1 o 926
2017-09-23 03:19:35 C 22 40 41.18 -04 03 03.9 o 926
2017-09-25 04:51:55 C 22 58 50.69 -05 33 11.0 u H21
2017-09-25 05:06:14 C 22 58 54.25 -05 33 30.9 u H21
2017-09-25 05:26:00 C 22 58 59.18 -05 33 58.1 u H21
2017-09-26 06:03:31 C 23 05 32.90 -06 04 08.8 o 291
2017-09-26 06:07:43 C 23 05 33.73 -06 04 13.2 o 291
2017-09-26 06:11:53 C 23 05 34.44 -06 04 17.9 o 291
2017-09-27 08:29:22 C 23 11 13.80 -06 30 08.9 o 291
2017-09-27 08:34:26 C 23 11 14.60 -06 30 13.0 o 291
2017-09-27 08:39:29 C 23 11 15.42 -06 30 17.4 o 291