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
1932-04-10 20:53:06 A 15 47 40.42 +37 01 47.9 024
1932-04-10 21:48:05 A 15 47 52.72 +37 02 34.5 024
1932-04-11 07:21:13 A 15 50 03.76 +37 10 15.3 754
1932-04-12 09:32:37 A 15 55 52.66 +37 28 17.3 754
1932-04-12 22:48:25 A 15 58 46.73 +37 36 02.6 012
1932-04-13 08:45:06 A 16 00 48.91 +37 41 50.4 754
1932-04-14 00:36:41 A 16 04 04.23 +37 49 43.6 012
1932-04-14 07:36:43 A 16 05 27.19 +37 53 10.3 754
1932-04-15 01:57:06 A 16 08 58.62 +38 00 44.2 024
1932-04-15 02:40:53 A 16 09 06.24 +38 01 01.5 024
1932-04-15 09:05:19 A 16 10 18.87 +38 03 32.8 754
1932-04-23 22:11:00 A 16 40 43.91 +38 23 06.8 029
1932-04-23 22:47:53 A 16 40 47.72 +38 23 03.6 029
1932-04-24 22:19:36 A 16 43 23.40 +38 19 49.3 029
1932-04-24 22:22:11 A 16 43 23.91 +38 19 52.7 024
1932-04-24 23:23:11 A 16 43 29.83 +38 19 46.6 024
1932-04-24 23:24:31 A 16 43 30.31 +38 19 45.0 012
1932-04-26 23:24:15 A 16 48 17.44 +38 10 23.9 012
1932-04-27 00:28:27 A 16 48 23.03 +38 10 13.9 012
1932-04-27 06:49:59 A 16 48 57.96 +38 08 46.0 754
1932-04-28 07:52:45 A 16 51 09.93 +38 02 22.1 754
1932-04-30 02:03:52 A 16 54 32.08 +37 49 28.5 012
1932-05-01 00:10:44 A 16 56 09.61 +37 41 52.8 012
1932-05-01 01:12:03 A 16 56 13.32 +37 41 30.7 012
1932-05-02 06:23:03 A 16 58 11.02 +37 30 40.2 754
1932-05-03 00:03:52 A 16 59 16.89 +37 23 23.7 012
1932-05-06 23:43:09 A 17 04 13.27 +36 38 33.9 012
1932-05-07 00:30:02 A 17 04 15.02 +36 38 11.6 012
1932-05-13 09:03:11 A 17 09 11.20 +35 06 21.5 754
1932-05-24 04:37:47 A 17 12 11.91 +31 38 14.4 754
1932-05-24 05:16:47 A 17 12 11.71 +31 37 40.6 754
1932-05-25 05:52:58 A 17 12 14.69 +31 14 47.9 662
1932-05-25 07:08:57 A 17 12 14.39 +31 13 40.1 662
1932-06-09 06:51:41 A 17 10 47.71 +24 45 02.5 754
1932-06-09 07:21:50 A 17 10 47.54 +24 44 25.3 754
1940-03-14 21:25:24 A 12 06 30.82 +06 47 59.4 012
1940-03-14 23:05:08 A 12 06 58.44 +06 54 40.3 13.0 012
1940-03-18 21:54:03 A 12 36 16.37 +13 31 17.0 012
1940-03-19 21:20:13 A 12 44 07.93 +15 12 11.4 012
1940-03-27 22:57:00 A 13 54.4 +27 59 14.0 053
1940-03-28 22:13:05 A 14 03 26.59 +29 10 49.3 13.0 012
1940-03-29 22:27:00 A 14 12.0 +30 26 14.0 053
1940-03-30 19:47:16 A 14 20 11.71 +31 22 38.3 062
1940-03-30 20:46:11 A 14 20 33.96 +31 25 34.8 057
1940-03-30 22:05:57 A 14 21 01.98 +31 29 20.8 057
1940-03-30 22:49:51 A 14 21 18.20 +31 31 15.9 022
1940-03-30 23:34:22 A 14 21 32.00 +31 32 55.5 062
1940-03-30 23:42:30 A 14 21.3 +31 37 14.0 053
1940-03-31 20:58:48 A 14 29 15.92 +32 27 36.8 012
1940-03-31 21:17:40 A 14 29 22.05 +32 28 39.8 057