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
2024-10-05 05:44:43 C 18 18 59.333 -06 47 51.68 V T05
2024-10-05 05:49:55 C 18 18 59.923 -06 47 36.85 V T05
2024-10-05 05:58:23 C 18 19 00.883 -06 47 13.02 V T05
2024-10-05 06:12:42 C 18 19 02.501 -06 46 32.41 V T05
2024-10-05 17:44:55 C 18 20 24.43 -06 14 07.8 o C41
2024-10-05 18:00:56 C 18 20 26.28 -06 13 22.6 o C41
2024-10-05 18:53:54 C 18 20 32.88 -06 10 54.4 V M14
2024-10-05 19:05:57 C 18 20 34.25 -06 10 20.4 V M14
2024-10-07 04:59:24 C 18 24 34.627 -04 34 49.26 V T08
2024-10-07 05:04:03 C 18 24 35.155 -04 34 36.08 V T08
2024-10-07 05:14:02 C 18 24 36.274 -04 34 08.00 V T08
2024-10-07 05:38:51 C 18 24 39.058 -04 32 58.20 V T08
2024-10-08 18:08:07 B 18 28 57.15 -02 50 19.5 V D72
2024-10-08 18:22:08 B 18 28 58.71 -02 49 40.3 V D72
2024-10-08 18:36:04 B 18 29 00.28 -02 49 01.3 V D72
2024-10-09 18:08:29 B 18 31 46.57 -01 43 13.9 V D72
2024-10-09 18:22:32 B 18 31 48.16 -01 42 34.7 V D72
2024-10-09 18:36:31 B 18 31 49.75 -01 41 55.5 V D72
2024-10-11 18:18:01 B 18 37 26.059 +00 30 09.83 V 160
2024-10-11 18:22:24 B 18 37 26.544 +00 30 22.00 V 160
2024-10-11 18:26:32 B 18 37 27.017 +00 30 33.34 V 160
2024-10-13 06:38:49 C 18 41 41.170 +02 10 25.18 V T05
2024-10-13 06:43:22 C 18 41 41.688 +02 10 37.63 V T05
2024-10-13 06:51:50 C 18 41 42.638 +02 11 00.89 V T05
2024-10-13 07:06:52 C 18 41 44.340 +02 11 42.04 V T05
2024-10-15 06:12:43 C 18 47 15.386 +04 20 07.26 V T08
2024-10-15 06:17:22 C 18 47 15.912 +04 20 19.82 V T08
2024-10-15 06:26:02 C 18 47 16.889 +04 20 43.22 V T08
2024-10-15 06:40:43 C 18 47 18.535 +04 21 22.90 V T08
2024-10-16 00:44:19 C 18 49 25.514 +05 10 28.56 V W68
2024-10-16 01:02:05 C 18 49 27.518 +05 11 16.48 V W68
2024-10-16 01:23:16 C 18 49 29.928 +05 12 13.36 V W68
2024-10-17 06:07:48 C 18 52 51.912 +06 28 58.51 V T05
2024-10-17 06:12:21 C 18 52 52.416 +06 29 10.64 V T05
2024-10-17 06:32:36 C 18 52 54.701 +06 30 04.61 V T05
2024-10-17 06:37:09 C 18 52 55.207 +06 30 16.81 V T05
2024-10-17 06:46:25 C 18 52 56.232 +06 30 41.22 V T05
2024-10-17 06:47:04 C 18 52 56.362 +06 30 43.20 V T05
2024-10-17 07:13:58 C 18 52 59.407 +06 31 54.77 V T05
2024-10-17 17:42:01 B 18 54 13.745 +06 59 38.29 X K87
2024-10-17 17:44:08 B 18 54 13.982 +06 59 43.73 X K87
2024-10-17 17:46:15 B 18 54 14.246 +06 59 48.84 X K87
2024-10-17 18:52:13 C 18 54 21.353 +07 03 13.21 V M22
2024-10-17 18:56:46 C 18 54 21.864 +07 03 25.16 V M22
2024-10-17 19:04:40 C 18 54 22.764 +07 03 46.12 V M22
2024-10-17 19:19:08 C 18 54 24.418 +07 04 24.49 V M22
2024-10-17 19:23:25 C 18 54 25.416 +07 04 07.18 V Z80
2024-10-17 19:27:15 C 18 54 25.846 +07 04 17.47 V Z80
2024-10-19 06:42:49 C 18 58 33.190 +08 37 31.58 V T08
2024-10-19 06:46:50 C 18 58 33.648 +08 37 42.02 V T08
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)