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
2025-03-15 20:05:54 C 05 24 36.806 +39 39 34.13 Z C23
2025-03-15 20:46:07 C 05 24 41.390 +39 39 11.63 Z C23
2025-03-17 06:56:28 C 05 28 37.294 +39 20 26.48 V T08
2025-03-17 07:01:08 C 05 28 37.855 +39 20 24.04 V T08
2025-03-17 07:32:05 C 05 28 41.333 +39 20 06.76 V T08
2025-03-17 07:36:27 C 05 28 41.837 +39 20 04.52 V T05
2025-03-17 07:41:06 C 05 28 42.355 +39 20 01.72 V T05
2025-03-17 08:14:51 C 05 28 46.171 +39 19 42.74 V T05
2025-03-17 08:39:30 C 05 28 48.974 +39 19 29.03 V T05
2025-03-18 16:27:12 C 05 32 26.22 +39 02 04.5 X C40
2025-03-18 16:29:02 C 05 32 26.41 +39 02 04.7 X C40
2025-03-18 18:01:31 C 05 32 36.758 +39 01 14.41 W M01
2025-03-18 18:04:01 C 05 32 37.034 +39 01 13.11 W M01
2025-03-18 18:06:31 C 05 32 37.310 +39 01 11.81 W M01
2025-03-18 18:25:52 C 05 32 39.472 +39 01 00.89 W M01
2025-03-18 18:28:22 C 05 32 39.749 +39 00 59.53 W M01
2025-03-18 18:30:52 C 05 32 40.026 +39 00 58.17 W M01
2025-03-18 19:07:00 C 05 32 44.290 +39 00 36.83 Z C23
2025-03-18 19:40:09 C 05 32 47.981 +39 00 18.61 Z C23
2025-03-18 19:59:50 C 05 32 50.203 +39 00 08.14 Z C23
2025-03-19 20:28:30 C 05 35 35.40 +38 46 49.1 Z M62
2025-03-19 20:52:00 C 05 35 38.01 +38 46 36.2 Z M62
2025-03-19 21:15:30 C 05 35 40.63 +38 46 23.3 Z M62
2025-03-21 07:20:15 C 05 39 28.402 +38 27 59.72 V T08
2025-03-21 07:24:17 C 05 39 28.855 +38 27 57.20 V T08
2025-03-21 07:34:26 C 05 39 29.945 +38 27 51.62 V T08
2025-03-21 07:53:58 C 05 39 32.088 +38 27 40.64 V T08
2025-03-23 06:44:46 C 05 44 41.328 +38 02 30.44 V T05
2025-03-23 06:49:22 C 05 44 41.803 +38 02 28.32 V T05
2025-03-23 06:57:15 C 05 44 42.660 +38 02 23.57 V T05
2025-03-23 07:25:27 C 05 44 45.698 +38 02 08.38 V T05
2025-03-23 17:26:08 C 05 45 51.31 +37 56 45.5 X C40
2025-03-23 17:29:27 C 05 45 51.67 +37 56 43.9 X C40
2025-03-23 17:32:46 C 05 45 52.04 +37 56 41.8 X C40
2025-03-23 17:36:04 C 05 45 52.40 +37 56 39.6 X C40
2025-03-23 17:39:12 C 05 45 52.73 +37 56 38.2 X C40
2025-03-23 17:42:07 C 05 45 53.05 +37 56 36.6 X C40
2025-03-23 17:45:04 C 05 45 53.38 +37 56 35.0 X C40
2025-03-23 17:48:00 C 05 45 53.67 +37 56 33.3 X C40
2025-03-23 17:50:57 C 05 45 54.03 +37 56 31.6 X C40
2025-03-23 17:53:53 C 05 45 54.31 +37 56 30.2 X C40
2025-03-23 17:56:49 C 05 45 54.63 +37 56 28.7 X C40
2025-03-24 06:33:12 C 05 47 16.738 +37 49 47.42 V T05
2025-03-24 07:04:27 C 05 47 20.081 +37 49 30.32 V T05
2025-03-24 07:12:57 C 05 47 20.971 +37 49 25.82 V T05
2025-03-24 16:59:49 C 05 48 24.66 +37 44 11.8 X C40
2025-03-24 17:03:07 C 05 48 25.03 +37 44 09.5 X C40
2025-03-24 17:06:25 C 05 48 25.36 +37 44 07.8 X C40
2025-03-24 17:09:43 C 05 48 25.69 +37 44 06.1 X C40
2025-03-24 17:12:50 C 05 48 26.04 +37 44 04.3 X C40
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)