3122 Florence (1981 ET3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4232384908 ± 1.63e-09
Semi-major axis (a)1.7688776780 AU ± 6.61e-10
Inclination (i)22.14276824° ± 7.42e-07
Long. of Asc. Node (Ω)336.04036925° ± 3.76e-07
Arg. of Perihelion (ω)27.88474334° ± 1.08e-06
Mean Anomaly (M)168.25752840° ± 7.68e-07
Mean Motion (n)0.4189532598°/day ± 2.35e-10
Perihelion dist (q)1.02022056 AU ± 2.90e-09
Aphelion dist (Q)2.51753480 AU ± 3.03e-09
Orbital Period2.35259247 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)14.08
G (slope)0.15
Alternative Designations

1983 CN1

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.362″
Uncertainty0
Orbit TypeAmor
MOID0.042563 AU
Observations Used9413
Radar Obs Used6
Gaia Obs Used88
Oppositions22
Arc Total1979-2026
First Observation Used1979-03-09
Last Observation Used2026-04-05
Observations (12205)
Date Type RA Dec Mag Band Observatory
2023-04-14 01:56:57 C 09 16 30.259 +13 32 29.18 V W68
2023-04-14 02:01:32 C 09 16 30.286 +13 32 28.90 V W68
2023-04-14 02:09:27 C 09 16 30.312 +13 32 26.41 V W68
2023-04-14 02:23:58 C 09 16 30.295 +13 32 22.74 V W68
2023-04-14 03:30:30 B 09 16 30.35 +13 32 00.1 V H89
2023-04-14 04:45:38 B 09 16 30.39 +13 31 42.3 V H89
2023-04-15 04:04:49 C 09 16 33.784 +13 26 03.55 V G96
2023-04-15 04:12:52 C 09 16 33.794 +13 26 01.46 V G96
2023-04-15 04:20:56 C 09 16 33.809 +13 25 59.63 V G96
2023-04-15 04:29:00 C 09 16 33.823 +13 25 57.61 V G96
2023-04-15 07:09:06 C 09 16 34.308 +13 25 19.45 V T05
2023-04-15 07:13:20 C 09 16 34.322 +13 25 18.70 V T05
2023-04-15 07:52:20 C 09 16 34.390 +13 25 08.90 V T05
2023-04-15 08:19:23 C 09 16 34.428 +13 25 02.82 V T05
2023-04-16 00:59:39 C 09 16 38.098 +13 21 00.86 V W68
2023-04-16 01:07:02 C 09 16 38.186 +13 21 00.07 V W68
2023-04-16 01:11:38 C 09 16 38.126 +13 20 58.99 V W68
2023-04-16 01:26:39 C 09 16 38.208 +13 20 54.53 V W68
2023-04-17 06:59:37 C 09 16 46.649 +13 13 34.00 V T05
2023-04-17 07:06:29 C 09 16 46.682 +13 13 32.27 V T05
2023-04-17 07:14:09 C 09 16 46.694 +13 13 30.65 V T05
2023-04-17 08:00:19 C 09 16 46.903 +13 13 18.98 V T05
2023-04-20 01:43:54 C 09 17 15.326 +12 56 58.16 V W68
2023-04-20 01:51:20 C 09 17 15.413 +12 56 56.15 V W68
2023-04-20 01:57:12 C 09 17 15.473 +12 56 54.60 V W68
2023-04-20 02:14:16 C 09 17 15.590 +12 56 50.42 V W68
2023-04-23 01:17:08 C 09 18 00.358 +12 38 45.96 V W68
2023-04-23 01:21:44 C 09 18 00.473 +12 38 44.41 V W68
2023-04-23 01:32:21 C 09 18 00.554 +12 38 41.71 V W68
2023-04-23 01:48:00 C 09 18 00.754 +12 38 37.46 V W68
2023-05-04 04:54:41 C 09 22 44.148 +11 27 28.55 V G96
2023-05-04 05:01:02 C 09 22 44.296 +11 27 26.71 V G96
2023-05-04 05:07:20 C 09 22 44.418 +11 27 25.09 V G96
2023-05-04 05:13:39 C 09 22 44.562 +11 27 23.33 V G96
2023-05-08 00:01:55 C 09 24 57.041 +11 02 12.01 V W68
2023-05-08 00:33:50 C 09 24 57.804 +11 02 03.08 V W68
2023-05-08 00:54:31 C 09 24 58.322 +11 01 57.90 V W68
2023-05-08 01:08:18 C 09 24 58.642 +11 01 54.55 V W68
2023-05-08 03:20:48 C 09 25 02.147 +11 01 12.25 V 703
2023-05-08 03:28:54 C 09 25 02.327 +11 01 10.09 V 703
2023-05-08 03:37:03 C 09 25 02.557 +11 01 07.82 V 703
2023-05-08 03:45:09 C 09 25 02.719 +11 01 05.38 V 703
2023-05-15 16:54:17 C 09 30 13.896 +10 09 02.30 V M22
2023-05-15 16:58:54 C 09 30 14.045 +10 09 01.40 V M22
2023-05-15 17:06:44 C 09 30 14.278 +10 08 58.81 V M22
2023-05-15 17:21:57 C 09 30 14.710 +10 08 54.46 V M22
2023-05-19 19:27:27 C 09 33 25.93 +09 39 41.3 Z M49
2023-05-19 19:49:42 C 09 33 26.67 +09 39 34.5 Z M49
2023-05-19 20:13:00 C 09 33 27.43 +09 39 27.7 Z M49
2023-06-07 03:40:14 C 09 50 21.044 +07 19 44.62 V G96
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-08-29 07:20:00 53416156 10 us 8560 -14 -14
2017-08-30 08:30:00 50057919.82 3 us 8560 -14 -14
2017-09-01 08:30:00 47128765.14 3 us 8560 -14 -14
2017-09-06 10:10:00 60804814.037 5 us 8560 -14 -14
2017-09-08 07:00:00 70833313.23 3 us 8560 -14 -14
2017-09-13 08:00:00 102972248.16 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)