1221 Amor (1932 EA1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4346323446 ± 8.90e-03
Semi-major axis (a)1.9198312726 AU ± 2.87e-03
Inclination (i)11.86883065° ± 1.06e+00
Long. of Asc. Node (Ω)171.23715667° ± 4.55e+00
Arg. of Perihelion (ω)26.75827105° ± 4.78e+00
Mean Anomaly (M)59.87045381° ± 2.84e+00
Mean Motion (n)0.3705251430°/day ± 8.32e-04
Perihelion dist (q)1.08541051 AU ± 1.72e-02
Aphelion dist (Q)2.75425204 AU ± 1.76e-02
Orbital Period2.66007935 yr ± 5.97e-03
NGA Modelr2
A2-1.98953082e-07 AU/d²
Physical Parameters
H (abs. magnitude)17.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.415″
Uncertainty0
Orbit TypeAmor
MOID0.108974 AU
Observations Used691
Oppositions58
Arc Total1932-2025
First Observation Used1932-03-12
Last Observation Used2025-02-19
Observations (738)
Date Type RA Dec Mag Band Observatory
2018-09-02 08:17:16 C 01 41 52.42 +04 44 04.8 u H21
2018-09-02 08:49:59 C 01 41 51.77 +04 43 54.9 u H21
2018-09-04 07:30:07 C 01 40 58.70 +04 29 41.1 u H21
2018-09-04 07:36:15 C 01 40 58.59 +04 29 39.1 u H21
2018-09-04 07:47:56 C 01 40 58.34 +04 29 35.5 u H21
2018-09-12 08:13:50 C 01 36 16.53 +03 24 43.6 G96
2018-09-12 08:21:16 C 01 36 16.24 +03 24 39.7 G96
2018-09-12 08:28:43 C 01 36 16.07 +03 24 36.7 G96
2018-09-12 08:36:09 C 01 36 15.88 +03 24 34.1 G96
2018-10-06 08:10:01 C 01 14 16.21 -00 26 32.0 V G96
2018-10-06 08:17:31 C 01 14 15.91 -00 26 35.8 V G96
2018-10-06 08:25:00 C 01 14 15.54 -00 26 38.1 V G96
2018-10-06 08:32:31 C 01 14 15.20 -00 26 40.9 V G96
2018-10-15 10:45:07 C 01 04 27.118 -01 53 28.14 U F52
2018-10-15 11:03:09 C 01 04 26.310 -01 53 34.89 U F52
2018-10-15 11:21:10 C 01 04 25.489 -01 53 41.70 U F52
2018-10-15 11:39:09 C 01 04 24.632 -01 53 48.52 U F52
2020-01-04 12:04:45 C 13 41 23.01 -14 51 02.4 V 703
2020-01-04 12:19:20 C 13 41 25.77 -14 51 08.4 V 703
2020-01-04 12:26:37 C 13 41 27.08 -14 51 13.0 V 703
2020-01-07 12:09:57 C 13 55 04.55 -15 25 33.6 V 703
2020-01-07 12:15:48 C 13 55 05.64 -15 25 35.3 V 703
2020-01-07 12:27:31 C 13 55 07.74 -15 25 41.6 V 703
2020-01-24 15:12:25 C 15 16 27.701 -17 27 14.00 U F51
2020-01-24 15:18:52 C 15 16 28.988 -17 27 14.80 U F51
2020-01-24 15:25:18 C 15 16 30.272 -17 27 15.59 U F51
2020-01-24 15:31:45 C 15 16 31.557 -17 27 16.39 U F51
2020-04-26 10:49:22 C 20 44 32.39 -01 07 35.4 V G96
2020-04-26 10:57:45 C 20 44 33.01 -01 07 30.7 V G96
2020-04-26 11:06:06 C 20 44 33.66 -01 07 26.8 V G96
2020-04-26 11:14:28 C 20 44 34.30 -01 07 22.5 V G96
2020-04-29 13:42:13 C 20 50 10.949 -00 28 43.29 U F51
2020-04-29 13:56:27 C 20 50 11.961 -00 28 36.09 U F51
2020-04-29 14:10:41 C 20 50 12.975 -00 28 28.77 U F51
2020-04-29 14:24:52 C 20 50 13.981 -00 28 21.53 U F51
2020-05-03 13:15:30 C 20 56 52.83 +00 18 57.8 V T08
2020-05-03 13:26:50 C 20 56 53.58 +00 19 03.3 V T08
2020-05-03 13:38:13 C 20 56 54.35 +00 19 08.5 V T08
2020-05-03 13:43:33 C 20 56 54.71 +00 19 12.2 V T08
2020-05-22 10:25:58 C 21 20 46.74 +03 30 04.5 V G96
2020-05-22 10:33:25 C 21 20 47.03 +03 30 06.8 V G96
2020-05-22 10:40:53 C 21 20 47.27 +03 30 10.5 V G96
2020-05-22 10:48:21 C 21 20 47.55 +03 30 12.5 V G96
2020-06-22 12:43:06 C 21 28 19.354 +05 32 06.61 U F52
2020-06-22 12:59:10 C 21 28 19.009 +05 32 05.68 U F52
2020-06-22 13:15:17 C 21 28 18.660 +05 32 04.70 U F52
2020-06-22 13:31:29 C 21 28 18.315 +05 32 03.77 U F52
2020-06-24 12:08:03 C 21 27 21.19 +05 28 28.0 V T08
2020-06-24 12:12:42 C 21 27 21.13 +05 28 27.5 V T08
2020-06-24 12:18:02 C 21 27 20.97 +05 28 27.2 V T08