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
2005-08-16 10:08:23 C 13 58 36.19 -37 20 49.8 r E12
2005-08-16 10:20:09 C 13 58 37.23 -37 20 49.2 r E12
2005-08-16 10:31:29 C 13 58 38.35 -37 20 48.4 r E12
2005-08-16 10:43:05 C 13 58 39.36 -37 20 47.4 r E12
2005-08-31 10:08:44 C 14 35 16.94 -37 02 43.7 r E12
2005-08-31 10:21:04 C 14 35 18.31 -37 02 42.7 r E12
2005-08-31 10:33:28 C 14 35 19.60 -37 02 41.7 r E12
2005-08-31 10:45:48 C 14 35 20.97 -37 02 41.4 r E12
2006-01-08 15:24:53 C 22 12 27.06 +02 07 53.3 r 084
2006-01-17 15:43:53 C 22 45 06.62 +07 30 04.4 r 084
2006-01-17 15:47:00 C 22 45 07.09 +07 30 09.7 r 084
2006-01-18 15:51:33 C 22 48 47.40 +08 05 33.6 r 084
2006-01-18 15:54:40 C 22 48 47.92 +08 05 38.4 r 084
2006-01-19 16:01:39 C 22 52 29.17 +08 40 59.0 r 084
2006-01-20 17:14:41 C 22 56 21.09 +09 17 46.3 r 084
2006-01-20 17:17:49 C 22 56 21.59 +09 17 50.1 r 084
2006-01-22 16:17:46 C 23 03 35.79 +10 25 56.9 r 084
2006-02-02 16:15:21 C 23 45 02.56 +16 33 16.6 r 084
2006-02-02 16:18:28 C 23 45 03.02 +16 33 19.5 r 084
2006-02-06 16:37:50 C 00 00 32.91 +18 39 04.2 r 084
2006-02-16 17:23:12 C 00 40 10.91 +23 27 44.3 r 084
2006-02-24 02:28:24 C 01 10 05.59 +26 32 57.4 r G96
2006-02-24 02:32:39 C 01 10 06.31 +26 33 01.4 r G96
2006-02-24 02:36:56 C 01 10 07.06 +26 33 05.6 r G96
2006-02-24 02:41:07 C 01 10 07.78 +26 33 09.6 r G96
2006-02-27 17:13:24 C 01 24 56.83 +27 54 21.8 r 084
2006-02-27 17:16:31 C 01 24 57.40 +27 54 24.9 r 084
2006-03-17 17:53:00 C 02 39 55.31 +33 03 11.0 r 084
2006-03-17 17:56:08 C 02 39 55.90 +33 03 12.8 r 084
2006-03-22 18:09:48 C 03 00 40.85 +34 00 01.4 r 084
2006-03-23 19:00:46 C 03 04 56.92 +34 10 15.6 r 113
2006-03-23 19:02:52 C 03 04 57.24 +34 10 16.2 r 113
2006-03-23 19:04:56 C 03 04 57.63 +34 10 16.7 r 113
2006-04-02 20:04:05 C 03 45 44.52 +35 23 44.7 c J76
2006-04-02 20:05:41 C 03 45 44.85 +35 23 44.2 c J76
2006-04-02 20:07:19 C 03 45 45.12 +35 23 45.0 c J76
2006-11-23 12:25:36 C 12 13 45.01 -04 59 48.5 r 703
2006-11-23 12:30:27 C 12 13 45.33 -04 59 52.8 r 703
2006-11-23 12:35:16 C 12 13 45.55 -04 59 54.0 r 703
2006-11-23 12:40:09 C 12 13 45.66 -04 59 56.2 r 703
2006-12-25 12:08:43 C 12 43 19.70 -11 17 49.9 r 703
2006-12-25 12:20:50 C 12 43 19.95 -11 17 55.7 r 703
2006-12-25 12:32:54 C 12 43 20.35 -11 18 01.2 r 703
2006-12-25 12:45:01 C 12 43 20.60 -11 18 06.3 r 703
2007-02-22 16:40:15 C 12 43 33.52 -20 39 50.3 r E12
2007-02-22 17:00:23 C 12 43 32.77 -20 39 55.3 r E12
2007-02-22 17:20:11 C 12 43 31.98 -20 40 00.3 r E12
2007-02-22 17:39:57 C 12 43 31.22 -20 40 04.9 r E12
2007-03-02 11:09:09 C 12 35 29.81 -21 20 10.3 o 644
2007-03-02 11:38:24 C 12 35 28.36 -21 20 15.6 o 644
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)