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
2023-03-26 06:06:44 C 09 21 55.155 +15 13 44.39 U F52
2023-03-26 06:23:19 C 09 21 54.686 +15 13 41.06 U F52
2023-03-26 06:40:00 C 09 21 54.211 +15 13 37.67 U F52
2023-03-26 08:13:39 C 09 21 51.574 +15 13 18.70 V T05
2023-03-26 08:17:48 C 09 21 51.439 +15 13 18.01 V T05
2023-03-26 08:25:33 C 09 21 51.233 +15 13 16.14 V T05
2023-03-26 09:02:55 C 09 21 50.172 +15 13 08.44 V T05
2023-03-27 07:43:39 C 09 21 15.175 +15 08 30.23 V T05
2023-03-27 07:51:18 C 09 21 14.986 +15 08 28.72 V T05
2023-03-27 08:05:47 C 09 21 14.585 +15 08 25.51 V T05
2023-03-27 08:09:55 C 09 21 14.479 +15 08 24.54 V T05
2023-03-27 12:48:26 C 09 21 07.66 +15 07 26.0 V D29
2023-03-27 13:10:04 C 09 21 07.09 +15 07 21.6 V D29
2023-03-27 13:31:42 C 09 21 06.52 +15 07 17.1 V D29
2023-03-30 01:05:11 C 09 19 46.126 +14 54 53.39 V W68
2023-03-30 01:07:49 C 09 19 46.058 +14 54 52.78 V W68
2023-03-30 01:11:47 C 09 19 45.936 +14 54 51.91 V W68
2023-03-30 01:42:40 C 09 19 45.307 +14 54 45.61 V W68
2023-04-03 19:19:02 B 09 17 51.889 +14 29 50.40 X B72
2023-04-03 19:23:07 B 09 17 51.864 +14 29 50.00 X B72
2023-04-03 19:27:12 B 09 17 51.806 +14 29 48.91 X B72
2023-04-07 14:19:07 C 09 16 56.56 +14 09 12.4 V D29
2023-04-07 14:21:26 C 09 16 56.57 +14 09 11.5 V D29
2023-04-07 14:31:29 C 09 16 56.48 +14 09 09.3 V D29
2023-04-07 14:33:48 C 09 16 56.47 +14 09 08.7 V D29
2023-04-07 14:43:51 C 09 16 56.40 +14 09 06.4 V D29
2023-04-07 14:46:10 C 09 16 56.38 +14 09 05.9 V D29
2023-04-08 02:31:03 C 09 16 51.530 +14 06 28.55 V W68
2023-04-08 02:36:18 C 09 16 51.494 +14 06 27.29 V W68
2023-04-08 02:46:17 C 09 16 51.396 +14 06 24.66 V W68
2023-04-08 03:01:38 C 09 16 51.324 +14 06 21.17 V W68
2023-04-09 07:10:30 C 09 16 41.731 +13 59 44.12 V T05
2023-04-09 07:18:41 C 09 16 41.671 +13 59 42.29 V T05
2023-04-09 07:25:57 C 09 16 41.642 +13 59 40.38 V T05
2023-04-09 07:42:23 C 09 16 41.549 +13 59 36.85 V T05
2023-04-09 12:16:33 C 09 16 40.31 +13 58 31.3 V D29
2023-04-09 12:36:55 C 09 16 40.21 +13 58 26.6 V D29
2023-04-09 12:57:17 C 09 16 40.07 +13 58 21.6 V D29
2023-04-09 20:05:19 C 09 16 38.141 +13 56 47.18 V M22
2023-04-09 20:10:04 C 09 16 38.143 +13 56 46.00 V M22
2023-04-09 20:17:44 C 09 16 38.110 +13 56 44.09 V M22
2023-04-09 20:33:35 C 09 16 38.026 +13 56 40.13 V M22
2023-04-11 02:10:53 C 09 16 32.246 +13 49 40.91 V W68
2023-04-11 02:16:12 C 09 16 32.225 +13 49 39.97 V W68
2023-04-11 02:25:25 C 09 16 32.174 +13 49 37.49 V W68
2023-04-11 02:53:14 C 09 16 32.062 +13 49 30.43 V W68
2023-04-11 11:43:34 C 09 16 31.159 +13 47 24.47 V P07
2023-04-11 12:26:34 C 09 16 31.013 +13 47 13.99 V P07
2023-04-11 13:10:56 C 09 16 30.850 +13 47 03.80 V P07
2023-04-11 14:11:52 C 09 16 30.636 +13 46 49.15 V P07
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)