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
2009-03-24 22:31:43 C 10 05 21.79 +06 12 47.0 c A24
2009-03-24 22:33:10 C 10 05 21.75 +06 12 47.4 c A24
2009-03-25 04:32:57 C 10 05 06.36 +06 12 45.6 o G56
2009-03-25 04:40:03 C 10 05 06.02 +06 12 44.9 o G56
2009-03-25 04:54:08 C 10 05 05.37 +06 12 45.7 o G56
2009-03-29 05:46:57 C 10 01 11.87 +06 11 34.2 17.8 c 704
2009-03-29 06:04:25 C 10 01 11.20 +06 11 34.0 17.8 c 704
2009-03-29 06:21:52 C 10 01 10.56 +06 11 33.7 18.1 c 704
2009-03-29 06:38:49 C 10 01 09.86 +06 11 33.2 18.0 c 704
2009-03-29 06:55:55 C 10 01 09.21 +06 11 32.9 18.1 c 704
2009-04-01 20:49:13 C 09 58 12.85 +06 09 14.6 o J41
2009-04-01 21:24:38 C 09 58 11.62 +06 09 13.4 o J41
2009-04-03 02:52:04 C 09 57 17.82 +06 08 11.5 r G96
2009-04-03 03:01:55 C 09 57 17.53 +06 08 11.1 r G96
2009-04-03 03:11:38 C 09 57 17.20 +06 08 10.7 r G96
2009-04-03 03:21:17 C 09 57 16.92 +06 08 10.3 r G96
2009-04-15 04:29:22 C 09 51 19.38 +05 50 35.9 18.1 c 704
2009-04-15 05:00:55 C 09 51 18.97 +05 50 33.0 19.0 c 704
2009-04-15 05:16:47 C 09 51 18.68 +05 50 34.4 19.4 c 704
2009-04-15 05:32:28 C 09 51 18.51 +05 50 29.8 19.3 c 704
2010-04-16 00:12:08 S 20 21 03.20 -47 58 18.5 L C51
2010-04-16 00:12:19 S 20 21 03.24 -47 58 18.4 L C51
2010-04-16 03:22:50 S 20 21 30.27 -47 58 19.4 L C51
2010-04-16 06:33:21 S 20 21 57.34 -47 58 20.2 L C51
2010-04-16 09:43:52 S 20 22 24.43 -47 58 20.6 L C51
2010-04-16 12:54:23 S 20 22 51.48 -47 58 20.7 L C51
2010-04-16 16:04:54 S 20 23 18.56 -47 58 20.8 L C51
2010-04-16 19:15:25 S 20 23 45.69 -47 58 20.6 L C51
2010-04-16 22:25:57 S 20 24 12.80 -47 58 20.5 L C51
2010-04-17 00:01:17 S 20 24 26.36 -47 58 19.9 L C51
2010-04-17 01:36:27 S 20 24 39.91 -47 58 19.5 L C51
2010-04-17 03:11:48 S 20 24 53.49 -47 58 19.0 L C51
2010-04-17 04:46:58 S 20 25 07.04 -47 58 18.4 L C51
2010-04-17 06:22:19 S 20 25 20.62 -47 58 17.9 L C51
2010-04-17 07:57:29 S 20 25 34.174 -47 58 17.33 L C51
2010-04-17 07:57:41 S 20 25 34.200 -47 58 17.08 L C51
2010-04-17 09:32:51 S 20 25 47.76 -47 58 16.6 L C51
2010-04-17 11:08:12 S 20 26 01.34 -47 58 15.7 L C51
2010-04-17 12:43:22 S 20 26 14.89 -47 58 15.0 L C51
2010-04-17 14:18:42 S 20 26 28.50 -47 58 14.2 L C51
2010-04-17 22:14:55 S 20 27 36.398 -47 58 09.05 L C51
2010-04-18 01:25:26 S 20 28 03.58 -47 58 06.7 L C51
2010-04-18 01:25:37 S 20 28 03.60 -47 58 06.2 L C51
2010-04-18 03:00:47 S 20 28 17.17 -47 58 05.1 L C51
2010-04-18 04:36:08 S 20 28 30.77 -47 58 03.6 L C51
2010-04-18 06:11:18 S 20 28 44.39 -47 58 02.3 L C51
2010-04-18 07:46:39 S 20 28 57.986 -47 58 00.77 L C51
2010-04-18 09:21:49 S 20 29 11.58 -47 57 59.0 L C51
2010-04-18 10:57:10 S 20 29 25.17 -47 57 57.2 L C51
2010-04-18 14:07:41 S 20 29 52.42 -47 57 53.9 L C51
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)