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
2016-02-09 09:45:17 C 10 51 00.64 +11 02 21.1 q G96
2016-02-09 09:51:53 C 10 51 00.19 +11 02 21.2 q G96
2016-02-09 09:58:30 C 10 50 59.73 +11 02 21.4 q G96
2016-02-09 10:05:07 C 10 50 59.27 +11 02 21.5 q G96
2016-02-10 14:14:47 C 10 49 04.32 +11 02 58.8 L T05
2016-02-10 14:49:13 C 10 49 01.92 +11 02 59.5 L T05
2016-02-10 15:21:53 C 10 48 59.65 +11 03 00.1 L T05
2016-02-10 15:45:43 C 10 48 57.98 +11 03 00.4 L T05
2016-02-11 04:55:32 C 10 48 04.38 +11 03 16.5 R G45
2016-02-11 04:55:38 C 10 48 04.39 +11 03 16.7 R G45
2016-02-11 05:02:37 C 10 48 03.90 +11 03 16.6 R G45
2016-02-11 05:02:49 C 10 48 03.89 +11 03 17.0 R G45
2016-02-11 05:10:06 C 10 48 03.39 +11 03 17.0 R G45
2016-02-11 05:16:07 C 10 48 02.97 +11 03 17.2 R G45
2016-02-11 05:17:05 C 10 48 02.89 +11 03 16.9 R G45
2016-02-11 05:23:55 C 10 48 02.41 +11 03 17.5 R G45
2016-02-11 09:13:45 C 10 47 46.544 +11 03 23.94 L F51
2016-02-11 09:22:04 C 10 47 45.64 +11 03 23.5 q I52
2016-02-11 09:30:33 C 10 47 45.360 +11 03 24.34 L F51
2016-02-11 09:34:31 C 10 47 44.75 +11 03 23.7 q I52
2016-02-11 09:42:33 C 10 47 44.20 +11 03 23.9 q I52
2016-02-11 09:47:18 C 10 47 44.178 +11 03 24.79 L F51
2016-02-11 09:51:50 C 10 47 43.52 +11 03 24.0 q I52
2016-02-11 10:04:02 C 10 47 42.995 +11 03 25.20 L F51
2016-02-14 04:56:58 C 10 43 02.30 +11 04 55.5 R G45
2016-02-14 05:04:20 C 10 43 01.77 +11 04 55.5 R G45
2016-02-14 05:11:45 C 10 43 01.23 +11 04 55.9 R G45
2016-02-14 05:18:44 C 10 43 00.72 +11 04 55.8 R G45
2016-02-14 05:25:37 C 10 43 00.23 +11 04 55.9 R G45
2016-02-15 16:48:38 C 10 40 29.03 +11 05 43.1 o C94
2016-02-15 17:02:07 C 10 40 28.04 +11 05 43.7 o C94
2016-02-15 17:15:40 C 10 40 27.09 +11 05 43.6 o C94
2016-02-16 05:53:05 C 10 39 33.11 +11 06 02.0 q 703
2016-02-16 06:01:54 C 10 39 32.42 +11 06 02.2 q 703
2016-02-16 06:10:44 C 10 39 31.76 +11 06 02.4 q 703
2016-02-16 06:19:34 C 10 39 31.09 +11 06 03.1 q 703
2016-02-17 04:52:11 C 10 37 54.11 +11 06 32.1 R G45
2016-02-17 04:52:17 C 10 37 54.09 +11 06 31.8 R G45
2016-02-17 04:59:28 C 10 37 53.58 +11 06 32.2 R G45
2016-02-17 04:59:33 C 10 37 53.56 +11 06 32.2 R G45
2016-02-17 05:06:27 C 10 37 53.07 +11 06 32.2 R G45
2016-02-17 05:06:32 C 10 37 53.07 +11 06 32.1 R G45
2016-02-17 05:13:29 C 10 37 52.55 +11 06 32.6 R G45
2016-02-17 05:13:35 C 10 37 52.55 +11 06 32.5 R G45
2016-02-17 05:20:11 C 10 37 52.06 +11 06 32.8 R G45
2016-02-17 05:20:40 C 10 37 52.02 +11 06 32.7 R G45
2016-02-18 06:53:42 C 10 36 01.68 +11 07 05.3 L T05
2016-02-18 07:14:02 C 10 36 00.22 +11 07 06.6 L T05
2016-02-18 07:34:20 C 10 35 58.75 +11 07 05.8 L T05
2016-02-18 07:54:38 C 10 35 57.24 +11 07 07.8 L 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)