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
2023-06-07 03:48:02 C 09 50 21.383 +07 19 42.06 V G96
2023-06-07 03:53:29 C 09 50 21.635 +07 19 40.33 V G96
2023-06-07 03:58:56 C 09 50 21.840 +07 19 38.60 V G96
2024-02-12 07:46:42 C 16 07 46.430 -41 12 32.80 V W68
2024-02-12 08:16:50 C 16 07 48.706 -41 12 49.79 V W68
2024-02-12 08:25:01 C 16 07 49.402 -41 12 54.11 V W68
2024-02-12 08:46:08 C 16 07 50.981 -41 13 06.31 V W68
2024-02-14 01:55:14 C 16 11 03.106 -41 35 48.62 V M22
2024-02-14 01:59:11 C 16 11 03.418 -41 35 50.96 V M22
2024-02-14 02:30:09 C 16 11 05.813 -41 36 07.88 V M22
2024-02-14 02:34:10 C 16 11 06.089 -41 36 10.40 V M22
2024-02-16 07:09:39 C 16 15 11.820 -42 05 18.17 V W68
2024-02-16 07:14:17 C 16 15 12.199 -42 05 20.90 V W68
2024-02-16 07:28:36 C 16 15 13.308 -42 05 28.72 V W68
2024-02-16 07:36:34 C 16 15 13.920 -42 05 33.07 V W68
2024-02-24 06:25:54 C 16 30 06.778 -43 52 20.21 V W68
2024-02-24 07:07:32 C 16 30 10.025 -43 52 44.54 V W68
2024-02-24 07:49:14 C 16 30 13.224 -43 53 08.48 V W68
2024-02-24 08:10:27 C 16 30 14.854 -43 53 21.05 V W68
2024-03-01 01:57:58 C 16 40 59.767 -45 11 49.16 V M22
2024-03-01 02:02:37 C 16 41 00.118 -45 11 52.12 V M22
2024-03-01 02:36:49 C 16 41 02.724 -45 12 11.81 V M22
2024-03-01 02:47:05 C 16 41 03.506 -45 12 17.93 V M22
2024-03-09 01:44:37 C 16 55 53.825 -47 03 30.60 V M22
2024-03-09 01:49:13 C 16 55 54.168 -47 03 33.37 V M22
2024-03-09 01:57:16 C 16 55 54.821 -47 03 37.87 V M22
2024-03-09 02:18:30 C 16 55 56.424 -47 03 51.55 V M22
2024-03-27 06:45:36 C 17 29 00.802 -51 32 32.28 V W68
2024-03-27 07:02:12 C 17 29 01.994 -51 32 43.12 V W68
2024-03-27 07:20:25 C 17 29 03.353 -51 32 55.14 V W68
2024-03-27 07:35:54 C 17 29 04.430 -51 33 05.18 V W68
2024-03-31 05:17:07 C 17 35 54.624 -52 34 08.26 V W68
2024-03-31 05:21:20 C 17 35 54.857 -52 34 10.96 V W68
2024-03-31 05:25:24 C 17 35 55.178 -52 34 13.44 V W68
2024-03-31 05:32:55 C 17 35 55.697 -52 34 19.13 V W68
2024-04-03 06:14:42 C 17 41 07.733 -53 22 42.89 V W68
2024-04-03 06:24:38 C 17 41 08.419 -53 22 49.84 V W68
2024-04-03 06:37:00 C 17 41 09.264 -53 22 58.30 V W68
2024-04-06 05:49:45 C 17 46 08.830 -54 11 15.86 V W68
2024-04-06 05:59:41 C 17 46 09.480 -54 11 22.74 V W68
2024-04-06 06:16:00 C 17 46 10.594 -54 11 34.19 V W68
2024-04-06 06:30:00 C 17 46 11.520 -54 11 43.94 V W68
2024-04-06 06:39:58 C 17 46 12.173 -54 11 50.96 V W68
2024-04-06 06:50:31 C 17 46 12.888 -54 11 58.24 V W68
2024-04-08 03:53:17 C 17 49 18.876 -54 42 57.67 V W68
2024-04-08 04:03:16 C 17 49 19.543 -54 43 04.69 V W68
2024-04-08 04:23:13 C 17 49 20.902 -54 43 18.80 V W68
2024-04-09 05:13:26 C 17 51 01.908 -55 00 36.29 V W68
2024-04-09 05:23:27 C 17 51 02.563 -55 00 43.42 V W68
2024-04-09 05:33:26 C 17 51 03.235 -55 00 50.33 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)