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
2024-04-11 22:53:51 C 17 55 24.175 -55 46 49.51 V M22
2024-04-11 23:24:25 C 17 55 26.141 -55 47 11.80 V M22
2024-04-11 23:38:22 C 17 55 27.036 -55 47 21.98 V M22
2024-04-14 19:03:09 C 17 59 47.68 -56 35 41.7 u 323
2024-04-14 19:17:42 C 17 59 48.56 -56 35 52.4 u 323
2024-04-16 18:24:02 C 18 02 45.49 -57 10 08.8 u 323
2024-04-16 18:38:00 C 18 02 46.35 -57 10 19.2 u 323
2024-04-18 01:41:33 C 18 04 40.154 -57 33 10.30 V M22
2024-04-18 02:05:10 C 18 04 41.484 -57 33 28.19 V M22
2024-04-18 02:09:53 C 18 04 41.748 -57 33 31.64 V M22
2024-04-20 05:36:32 C 18 07 45.710 -58 11 45.60 V W68
2024-04-20 06:23:22 C 18 07 48.346 -58 12 21.56 V W68
2024-04-20 07:04:07 C 18 07 50.602 -58 12 52.60 V W68
2024-04-20 07:23:54 C 18 07 51.686 -58 13 07.61 V W68
2024-04-30 01:46:33 C 18 20 07.078 -61 14 06.94 V M22
2024-04-30 01:49:11 C 18 20 07.188 -61 14 08.95 V M22
2024-04-30 01:53:45 C 18 20 07.382 -61 14 12.66 V M22
2024-04-30 02:01:00 C 18 20 07.675 -61 14 18.38 V M22
2024-05-02 06:57:15 C 18 22 25.469 -61 56 37.43 V W68
2024-05-02 06:59:56 C 18 22 25.608 -61 56 39.62 V W68
2024-05-02 07:34:53 C 18 22 26.894 -61 57 07.88 V W68
2024-05-02 07:38:49 C 18 22 27.034 -61 57 11.23 V W68
2024-05-04 01:52:11 C 18 24 07.118 -62 31 17.04 V M22
2024-05-04 01:56:46 C 18 24 07.274 -62 31 20.71 V M22
2024-05-04 02:22:25 C 18 24 08.112 -62 31 41.48 V M22
2024-05-04 02:54:08 C 18 24 09.178 -62 32 06.90 V M22
2024-05-06 06:52:31 C 18 25 59.890 -63 14 28.54 V W68
2024-05-06 06:55:09 C 18 25 59.978 -63 14 30.55 V W68
2024-05-06 07:04:24 C 18 26 00.216 -63 14 38.54 V W68
2024-05-10 07:23:08 C 18 28 41.592 -64 34 02.14 V W68
2024-05-10 07:25:05 C 18 28 41.585 -64 34 03.25 V W68
2024-05-10 07:27:41 C 18 28 41.688 -64 34 05.99 V W68
2024-05-10 07:34:15 C 18 28 41.791 -64 34 11.46 V W68
2024-05-12 00:26:32 C 18 29 31.752 -65 08 08.12 V M22
2024-05-12 00:59:07 C 18 29 32.134 -65 08 35.56 V M22
2024-05-12 01:03:44 C 18 29 32.213 -65 08 39.23 V M22
2024-05-16 00:32:41 C 18 30 36.943 -66 28 14.84 V M22
2024-05-16 00:35:23 C 18 30 36.967 -66 28 17.15 V M22
2024-05-16 01:00:40 C 18 30 36.934 -66 28 38.46 V M22
2024-05-16 01:12:54 C 18 30 36.917 -66 28 48.58 V M22
2024-05-18 06:52:04 C 18 30 37.642 -67 13 30.65 V W68
2024-05-18 06:54:41 C 18 30 37.610 -67 13 32.88 V W68
2024-05-18 06:58:37 C 18 30 37.579 -67 13 36.08 V W68
2024-05-18 07:35:37 C 18 30 37.210 -67 14 06.90 V W68
2024-05-20 00:33:47 C 18 30 18.266 -67 48 06.62 V M22
2024-05-20 01:02:46 C 18 30 17.758 -67 48 30.53 V M22
2024-05-20 01:16:27 C 18 30 17.508 -67 48 41.58 V M22
2024-05-20 01:19:47 C 18 30 17.458 -67 48 44.68 V M22
2024-05-26 06:06:52 C 18 26 20.215 -69 49 53.83 V W68
2024-05-26 06:09:29 C 18 26 20.057 -69 49 56.17 V W68
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)