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
2024-07-30 19:55:27 C 15 28 43.051 -63 18 42.01 V M22
2024-07-30 20:00:02 C 15 28 43.214 -63 18 35.93 V M22
2024-07-30 20:09:34 C 15 28 43.562 -63 18 23.08 V M22
2024-07-30 20:42:09 C 15 28 44.750 -63 17 39.30 V M22
2024-07-31 12:35:47 C 15 29 27.247 -62 56 48.34 V E62
2024-07-31 12:40:14 C 15 29 27.427 -62 56 42.25 V E62
2024-08-03 19:22:18 C 15 33 41.030 -61 10 31.19 V M22
2024-08-03 19:36:46 C 15 33 41.810 -61 10 10.60 V M22
2024-08-03 19:56:39 C 15 33 42.866 -61 09 42.44 V M22
2024-08-06 10:26:55 B 15 37 49.00 -59 41 38.5 q Q73
2024-08-06 10:34:44 B 15 37 49.47 -59 41 27.0 q Q73
2024-08-06 10:42:46 B 15 37 49.99 -59 41 15.4 q Q73
2024-08-07 18:29:29 C 15 40 08.964 -58 55 13.40 V M22
2024-08-07 18:56:51 C 15 40 10.798 -58 54 32.76 V M22
2024-08-07 19:01:26 C 15 40 11.105 -58 54 25.96 V M22
2024-08-08 01:18:09 C 15 40 39.14 -58 45 10.7 834
2024-08-08 01:54:29 C 15 40 41.72 -58 44 15.5 834
2024-08-08 23:13:49 C 15 42 21.52 -58 12 52.0 q Y16
2024-08-08 23:24:58 C 15 42 21.90 -58 12 34.6 q Y16
2024-08-08 23:36:44 C 15 42 22.73 -58 12 15.9 q Y16
2024-08-10 03:38:15 C 15 44 37.740 -57 30 04.14 V W68
2024-08-10 03:42:54 C 15 44 38.112 -57 29 56.87 V W68
2024-08-10 03:51:45 C 15 44 38.820 -57 29 43.04 V W68
2024-08-10 04:21:42 C 15 44 41.220 -57 28 55.88 V W68
2024-08-14 00:55:53 C 15 52 49.742 -55 04 57.76 V W68
2024-08-14 01:00:06 C 15 52 50.100 -55 04 50.99 V W68
2024-08-14 01:21:18 C 15 52 51.934 -55 04 16.39 V W68
2024-08-14 01:29:53 C 15 52 52.666 -55 04 02.39 V W68
2024-08-15 22:37:43 C 15 57 10.06 -53 50 49.4 q Y16
2024-08-15 22:47:10 C 15 57 10.84 -53 50 31.5 q Y16
2024-08-15 22:57:05 C 15 57 11.47 -53 50 14.0 q Y16
2024-08-19 00:06:39 C 16 04 30.69 -51 47 00.0 q Y16
2024-08-19 00:16:17 C 16 04 31.55 -51 46 45.0 q Y16
2024-08-19 00:30:44 C 16 04 33.03 -51 46 18.5 q Y16
2024-08-19 19:54:38 C 16 06 34.054 -51 12 38.56 V M22
2024-08-19 20:09:41 C 16 06 35.549 -51 12 11.70 V M22
2024-08-19 20:24:47 C 16 06 37.063 -51 11 44.66 V M22
2024-08-21 22:46:29 B 16 11 58.39 -49 42 31.3 Z X91
2024-08-21 22:55:54 B 16 11 59.34 -49 42 14.2 Z X91
2024-08-21 23:07:59 B 16 12 00.56 -49 41 52.0 Z X91
2024-08-22 00:20:08 C 16 12 08.542 -49 39 40.39 V W68
2024-08-22 00:24:49 C 16 12 09.014 -49 39 31.82 V W68
2024-08-22 00:39:09 C 16 12 10.457 -49 39 05.69 V W68
2024-08-23 18:40:31 C 16 16 45.432 -48 22 12.22 V M22
2024-08-23 18:41:49 C 16 16 45.571 -48 22 09.88 V M22
2024-08-23 18:55:42 C 16 16 47.014 -48 21 43.67 V M22
2024-08-23 19:10:57 C 16 16 48.602 -48 21 14.98 V M22
2024-08-23 23:29:34 C 16 17 17.866 -48 13 17.69 V W68
2024-08-23 23:34:06 C 16 17 18.343 -48 13 09.12 V W68
2024-08-23 23:43:42 C 16 17 19.310 -48 12 51.01 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)