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
2020-06-24 12:35:19 C 21 27 20.54 +05 28 25.5 V T08
2020-06-27 11:22:19 C 21 25 34.858 +05 19 54.30 U F51
2020-06-27 11:39:46 C 21 25 34.335 +05 19 51.75 U F51
2020-06-27 11:57:08 C 21 25 33.810 +05 19 49.25 U F51
2020-06-28 12:01:34 C 21 24 52.74 +05 16 04.0 V T08
2020-06-28 12:06:13 C 21 24 52.57 +05 16 03.4 V T08
2020-06-28 12:10:12 C 21 24 52.49 +05 16 02.7 V T08
2020-06-28 12:18:53 C 21 24 52.19 +05 16 00.9 V T08
2020-07-12 11:15:54 C 21 11 31.135 +03 38 36.46 U F52
2020-07-12 11:32:59 C 21 11 30.241 +03 38 29.42 U F52
2020-07-12 11:50:06 C 21 11 29.363 +03 38 22.36 U F52
2020-07-12 12:07:16 C 21 11 28.465 +03 38 15.19 U F52
2020-07-18 11:07:24 C 21 04 05.61 +02 32 04.2 V T08
2020-07-18 11:10:03 C 21 04 05.46 +02 32 03.4 V T08
2020-07-18 11:14:02 C 21 04 05.36 +02 32 00.9 V T08
2020-07-18 11:28:17 C 21 04 04.48 +02 31 54.6 V T08
2020-07-20 09:15:46 C 21 01 35.463 +02 07 58.92 U F52
2020-07-20 09:36:25 C 21 01 34.283 +02 07 47.85 U F52
2020-07-20 09:57:11 C 21 01 33.086 +02 07 36.81 U F52
2020-07-20 10:18:02 C 21 01 31.885 +02 07 25.68 U F52
2020-07-26 23:50:26 C 20 52 46.57 +00 36 42.1 V 130
2020-07-26 23:58:05 C 20 52 46.14 +00 36 37.7 V 130
2020-08-05 22:10:07 C 20 40 00.17 -01 56 12.3 V C95
2020-08-05 22:22:50 C 20 39 59.55 -01 56 20.1 V C95
2020-08-05 22:35:27 C 20 39 58.85 -01 56 28.6 V C95
2020-08-15 10:05:20 C 20 29 38.79 -04 26 07.8 V T08
2020-08-15 10:09:58 C 20 29 38.61 -04 26 10.9 V T08
2020-08-15 10:19:17 C 20 29 38.21 -04 26 17.0 V T08
2020-08-15 10:34:33 C 20 29 37.55 -04 26 26.8 V T08
2020-08-17 10:00:10 C 20 27 48.512 -04 56 50.88 U F52
2020-08-17 10:16:55 C 20 27 47.849 -04 57 01.50 U F52
2020-08-17 10:33:37 C 20 27 47.195 -04 57 12.16 U F52
2020-08-17 16:20:24 C 20 27 34.46 -05 00 53.6 q D29
2020-08-17 16:40:46 C 20 27 33.67 -05 01 06.6 q D29
2020-08-19 05:32:47 C 20 26 15.49 -05 24 20.2 V G96
2020-08-19 05:38:57 C 20 26 15.26 -05 24 24.1 V G96
2020-08-19 05:45:05 C 20 26 15.03 -05 24 27.3 V G96
2020-08-19 05:51:17 C 20 26 14.80 -05 24 31.6 V G96
2020-08-21 08:06:24 C 20 24 36.034 -05 55 34.27 U F51
2020-08-21 08:25:56 C 20 24 35.377 -05 55 46.20 U F51
2020-08-21 08:45:31 C 20 24 34.719 -05 55 58.16 U F51
2020-09-05 08:37:33 C 20 17 32.061 -09 12 39.37 U F51
2020-09-05 09:12:20 C 20 17 31.707 -09 12 55.82 U F51
2020-09-05 09:29:45 C 20 17 31.540 -09 13 04.16 U F51
2020-09-11 05:41:49 C 20 17 00.749 -10 15 31.75 U F51
2020-09-11 06:01:15 C 20 17 00.727 -10 15 39.83 U F51
2020-09-11 06:20:33 C 20 17 00.700 -10 15 47.90 U F51
2020-09-11 06:39:53 C 20 17 00.673 -10 15 55.92 U F51
2020-09-14 06:23:55 C 20 17 12.062 -10 44 40.09 U F51
2020-09-14 06:40:42 C 20 17 12.106 -10 44 46.50 U F51