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
1996-03-26 10:37:40 C 11 22 37.50 -03 41 39.1 413
1996-03-27 09:51:12 C 11 19 54.52 -03 56 43.8 413
1996-03-27 09:56:38 C 11 19 53.93 -03 56 47.6 413
1996-03-28 10:52:11 C 11 17 06.41 -04 12 21.7 413
1996-03-28 10:54:44 C 11 17 06.13 -04 12 23.4 413
1996-04-07 13:31:45 C 10 56 33.52 -06 15 49.5 z 360
1996-04-07 13:38:00 C 10 56 33.08 -06 15 52.7 z 360
1996-04-07 13:45:29 C 10 56 32.61 -06 15 55.9 z 360
1996-04-13 14:12:14 C 10 49 17.89 -07 11 01.4 z 360
1996-04-13 14:18:44 C 10 49 17.63 -07 11 03.3 z 360
1996-04-13 14:24:14 C 10 49 17.42 -07 11 06.3 z 360
1996-04-18 08:34:28 C 10 45 43.85 -07 48 31.7 c 608
1996-04-18 09:01:16 C 10 45 43.11 -07 48 40.0 c 608
1996-04-21 08:05:24 C 10 44 20.64 -08 10 08.3 c 608
1996-04-21 08:58:51 C 10 44 19.64 -08 10 24.5 c 608
1996-04-23 13:56:23 C 10 43 40.66 -08 25 46.8 J 381
1996-04-23 14:02:30 C 10 43 40.61 -08 25 48.3 J 381
1999-03-07 04:57:40 C 04 10 20.14 +50 47 43.1 658
1999-03-07 05:01:29 C 04 10 21.99 +50 47 40.4 658
1999-03-07 05:04:17 C 04 10 23.10 +50 47 38.7 658
1999-03-07 05:06:44 C 04 10 24.32 +50 47 36.8 658
2006-12-26 11:38:34 C 13 55 49.43 -02 27 42.3 o 291
2006-12-26 11:54:31 C 13 55 50.43 -02 27 59.6 o 291
2009-08-10 03:08:07 C 20 41 13.80 -71 53 27.8 r I20
2009-08-10 03:20:25 C 20 41 09.67 -71 53 26.5 r I20
2009-08-10 03:30:57 C 20 41 06.18 -71 53 25.7 r I20
2009-08-10 03:39:45 C 20 41 03.26 -71 53 25.1 r I20
2009-08-19 10:25:22 C 19 30 30.15 -69 57 19.4 r E12
2009-10-20 02:04:12 C 17 41 15.16 -04 35 36.2 o 291
2009-10-20 02:10:03 C 17 41 14.89 -04 35 14.7 o 291
2009-10-20 02:15:31 C 17 41 14.64 -04 34 55.5 o 291
2010-01-25 00:21:27 S 14 46 36.32 +12 10 30.2 L C51
2010-01-25 03:32:09 S 14 46 29.01 +12 07 15.3 L C51
2010-01-25 06:42:40 S 14 46 21.59 +12 03 59.8 L C51
2010-01-25 08:18:01 S 14 46 17.81 +12 02 20.7 L C51
2010-01-25 09:53:11 S 14 46 14.05 +12 00 42.3 L C51
2010-01-25 11:28:32 S 14 46 10.39 +11 59 04.5 L C51
2010-01-25 14:39:03 S 14 46 02.79 +11 55 48.6 L C51
2010-01-25 14:39:14 S 14 46 02.82 +11 55 48.7 L C51
2010-01-25 17:49:45 S 14 45 55.27 +11 52 32.5 L C51
2010-01-25 21:00:16 S 14 45 47.63 +11 49 15.1 L C51
2010-02-14 04:48:50 C 14 15 52.36 +03 44 04.8 r J75
2010-02-14 05:09:33 C 14 15 50.29 +03 43 42.8 r J75
2010-02-14 05:30:14 C 14 15 48.20 +03 43 20.4 r J75
2010-02-14 11:23:14 C 14 15 14.54 +03 37 05.3 r 703
2010-02-14 11:30:48 C 14 15 13.71 +03 36 57.4 r 703
2010-02-14 11:38:24 C 14 15 12.99 +03 36 48.2 r 703
2010-02-14 11:45:56 C 14 15 12.13 +03 36 40.1 r 703
2010-02-20 10:23:00 C 13 59 42.79 +01 03 38.0 19.0 c 704
2010-02-20 10:40:32 C 13 59 40.63 +01 03 19.4 19.6 c 704