221980 (1996 EO)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4007734515 ± 5.17e-08
Semi-major axis (a)1.3415830404 AU ± 1.47e-09
Inclination (i)21.59057162° ± 1.41e-05
Long. of Asc. Node (Ω)356.45730194° ± 9.81e-06
Arg. of Perihelion (ω)64.69894291° ± 1.52e-05
Mean Anomaly (M)107.22082929° ± 1.52e-05
Mean Motion (n)0.6342871847°/day ± 1.04e-09
Perihelion dist (q)0.80391217 AU ± 6.94e-08
Aphelion dist (Q)1.87925391 AU ± 6.94e-08
Orbital Period1.55391171 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)19.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.512″
Uncertainty0
Orbit TypeApollo
MOID0.035031 AU
Observations Used193
Oppositions10
Arc Total1996-2024
First Observation Used1996-03-15
Last Observation Used2024-05-03
Observations (206)
Date Type RA Dec Mag Band Observatory
1996-03-15 10:38:12 C 12 01 38.73 -00 06 46.7 c 566
1996-03-15 10:39:53 C 12 01 38.41 -00 06 47.2 c 566
1996-03-15 11:07:16 C 12 01 33.47 -00 07 14.6 c 566
1996-03-15 11:08:57 C 12 01 33.16 -00 07 15.3 c 566
1996-03-15 11:36:04 C 12 01 28.26 -00 07 43.1 c 566
1996-03-15 11:37:44 C 12 01 27.94 -00 07 43.2 c 566
1996-03-16 01:50:13 C 11 59 00.42 -00 21 35.7 z 557
1996-03-16 01:54:16 C 11 58 59.65 -00 21 40.0 z 557
1996-03-16 06:20:04 C 11 58 16.18 -00 25 42.9 c 566
1996-03-16 06:48:36 C 11 58 11.25 -00 26 10.1 c 566
1996-03-16 07:18:58 C 11 58 05.97 -00 26 38.9 c 566
1996-03-16 23:19:38 C 11 55 22.39 -00 41 51.8 z 557
1996-03-16 23:21:33 C 11 55 22.06 -00 41 53.2 z 557
1996-03-16 23:27:27 C 11 55 21.07 -00 41 59.5 z 557
1996-03-17 07:27:33 C 11 54 02.15 -00 49 13.6 c 566
1996-03-17 07:58:01 C 11 53 56.96 -00 49 41.7 c 566
1996-03-17 08:27:57 C 11 53 51.84 -00 50 09.2 c 566
1996-03-17 13:04:29 C 11 53 05.72 -00 54 01.1 424
1996-03-17 13:31:29 C 11 53 01.08 -00 54 26.5 424
1996-03-19 02:09:12 C 11 47 07.11 -01 27 33.9 z 817
1996-03-19 10:05:50 C 11 45 51.88 -01 34 16.6 c 566
1996-03-19 10:35:03 C 11 45 47.19 -01 34 41.6 c 566
1996-03-19 11:05:27 C 11 45 42.21 -01 35 07.8 c 566
1996-03-19 11:06:49 C 11 45 42.06 -01 35 09.0 c 608
1996-03-19 11:36:03 C 11 45 37.31 -01 35 33.8 c 608
1996-03-20 09:38:40 C 11 42 15.14 -01 54 09.1 c 608
1996-03-20 10:20:39 C 11 42 08.51 -01 54 44.1 c 608
1996-03-20 22:47:40 C 11 40 16.94 -02 05 04.7 z 587
1996-03-20 22:57:59 C 11 40 15.32 -02 05 14.1 z 587
1996-03-21 10:09:06 C 11 38 36.56 -02 14 07.3 c 608
1996-03-21 10:39:51 C 11 38 31.91 -02 14 31.9 c 608
1996-03-21 21:47:59 C 11 36 55.74 -02 23 29.7 z 557
1996-03-21 21:57:53 C 11 36 54.23 -02 23 37.5 z 557
1996-03-22 10:00:46 C 11 35 11.39 -02 32 49.4 c 566
1996-03-22 10:29:17 C 11 35 07.26 -02 33 11.1 c 566
1996-03-22 11:01:11 C 11 35 02.60 -02 33 36.1 c 566
1996-03-24 06:27:25 C 11 29 10.12 -03 05 55.8 c 566
1996-03-24 06:55:41 C 11 29 06.25 -03 06 16.4 c 566
1996-03-24 07:27:57 C 11 29 01.90 -03 06 39.6 c 566
1996-03-25 07:11:26 C 11 25 58.57 -03 23 31.3 z 658
1996-03-25 07:15:52 C 11 25 57.99 -03 23 34.4 z 658
1996-03-25 07:17:44 C 11 25 57.76 -03 23 35.8 z 658
1996-03-25 07:44:45 C 11 25 55.13 -03 23 45.4 c 566
1996-03-25 08:14:54 C 11 25 51.16 -03 24 06.5 c 566
1996-03-25 08:43:48 C 11 25 47.41 -03 24 26.7 c 566
1996-03-26 08:26:31 C 11 22 52.93 -03 40 29.4 c 566
1996-03-26 09:00:31 C 11 22 48.66 -03 40 51.8 c 566
1996-03-26 10:16:28 C 11 22 40.13 -03 41 25.0 413
1996-03-26 10:22:00 C 11 22 39.45 -03 41 28.9 413
1996-03-26 10:33:04 C 11 22 38.08 -03 41 36.0 413