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
2025-02-10 18:14:17 C 03 35 38.08 +47 19 43.7 X C40
2025-02-10 18:17:18 C 03 35 38.52 +47 19 41.6 X C40
2025-02-10 18:20:19 C 03 35 39.06 +47 19 40.8 X C40
2025-02-10 18:23:19 C 03 35 39.58 +47 19 38.6 X C40
2025-02-10 18:29:19 C 03 35 40.50 +47 19 35.5 X C40
2025-02-10 18:38:20 C 03 35 42.05 +47 19 29.1 X C40
2025-02-10 18:52:46 C 03 35 44.45 +47 19 20.1 X D04
2025-02-10 19:05:46 C 03 35 46.54 +47 19 13.0 X D04
2025-02-10 19:23:05 C 03 35 49.31 +47 19 02.5 X D04
2025-02-10 19:31:42 C 03 35 50.75 +47 18 57.1 X D04
2025-02-11 07:15:50 C 03 37 46.783 +47 12 13.68 V T08
2025-02-11 07:30:35 C 03 37 49.162 +47 12 04.90 V T08
2025-02-11 07:32:38 C 03 37 49.505 +47 12 03.67 V T08
2025-02-11 07:39:56 C 03 37 50.664 +47 11 59.53 V T08
2025-02-11 07:40:35 C 03 37 50.789 +47 11 58.88 V T08
2025-02-11 17:23:47 C 03 39 26.80 +47 06 17.6 X G02
2025-02-11 17:29:33 C 03 39 27.73 +47 06 14.0 X G02
2025-02-11 17:35:03 C 03 39 28.61 +47 06 10.8 X G02
2025-02-13 07:10:48 C 03 45 32.933 +46 44 15.65 V T05
2025-02-13 07:15:23 C 03 45 33.662 +46 44 12.88 V T05
2025-02-13 07:24:03 C 03 45 35.002 +46 44 07.58 V T05
2025-02-13 07:44:36 C 03 45 38.254 +46 43 55.27 V T05
2025-02-16 19:31:04 B 03 58 45.18 +45 54 31.6 Z M61
2025-02-16 19:35:10 C 03 58 45.814 +45 54 29.66 Z C23
2025-02-16 20:04:40 B 03 58 50.25 +45 54 11.6 Z M61
2025-02-16 20:19:41 C 03 58 52.526 +45 54 02.27 Z C23
2025-02-16 20:35:21 B 03 58 54.88 +45 53 53.3 Z M61
2025-02-16 20:42:51 C 03 58 56.047 +45 53 48.62 Z C23
2025-02-16 21:00:19 B 03 58 58.73 +45 53 41.9 q J51
2025-02-16 21:06:04 B 03 58 59.59 +45 53 38.5 q J51
2025-02-16 21:12:04 B 03 59 00.48 +45 53 34.8 q J51
2025-02-17 06:56:02 C 04 00 29.518 +45 47 50.24 V T05
2025-02-17 07:13:52 C 04 00 32.189 +45 47 39.41 V T05
2025-02-17 07:23:15 C 04 00 33.595 +45 47 33.65 V T05
2025-02-17 07:29:18 C 04 00 34.490 +45 47 29.98 V T05
2025-02-17 18:55:21 C 04 02 18.938 +45 40 41.45 Z C23
2025-02-17 19:15:04 C 04 02 21.864 +45 40 28.74 Z C23
2025-02-18 19:44:02 C 04 06 02.558 +45 25 59.12 Z C23
2025-02-18 20:01:33 C 04 06 05.138 +45 25 48.65 Z C23
2025-02-18 20:36:52 C 04 06 10.358 +45 25 27.66 Z C23
2025-02-19 06:19:37 C 04 07 37.135 +45 19 46.96 V T08
2025-02-19 06:27:02 C 04 07 38.220 +45 19 42.38 V T08
2025-02-19 06:31:42 C 04 07 38.885 +45 19 39.61 V T08
2025-02-19 07:03:45 C 04 07 43.567 +45 19 20.14 V T08
2025-02-20 20:59:00 B 04 13 18.384 +44 56 51.72 q J51
2025-02-20 21:06:20 B 04 13 19.459 +44 56 47.29 q J51
2025-02-20 21:31:07 B 04 13 23.033 +44 56 32.10 q J51
2025-02-21 06:52:05 C 04 14 44.539 +44 51 00.97 V T05
2025-02-21 06:58:41 C 04 14 45.487 +44 50 56.98 V T05
2025-02-21 07:23:52 C 04 14 49.085 +44 50 41.75 V T05
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)