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
2011-04-05 20:44:36 C 07 28 50.89 +30 15 23.5 c A24
2011-04-05 20:49:43 C 07 28 51.15 +30 15 20.6 c A24
2011-04-05 21:04:01 C 07 28 51.89 +30 15 12.4 c A24
2011-04-06 19:58:41 C 07 30 04.84 +30 02 21.2 c A24
2011-04-06 20:19:47 C 07 30 05.95 +30 02 09.3 c A24
2011-04-06 20:27:10 C 07 30 06.33 +30 02 05.2 c A24
2011-04-06 20:55:39 C 07 30 07.83 +30 01 49.2 c A24
2011-04-06 21:03:03 C 07 30 08.21 +30 01 45.0 c A24
2011-04-06 21:24:09 C 07 30 09.31 +30 01 33.0 c A24
2011-04-07 19:59:18 C 07 31 21.84 +29 49 00.0 c A24
2011-04-07 20:16:23 C 07 31 22.73 +29 48 50.4 c A24
2011-04-07 20:22:25 C 07 31 23.03 +29 48 46.6 c A24
2011-04-07 20:45:34 C 07 31 24.30 +29 48 34.6 c A24
2011-04-07 20:51:36 C 07 31 24.57 +29 48 31.0 c A24
2011-04-08 21:01:15 C 07 32 42.65 +29 35 10.9 c A24
2011-04-08 21:10:45 C 07 32 43.15 +29 35 05.7 c A24
2011-04-08 21:14:15 C 07 32 43.33 +29 35 03.9 c A24
2011-04-08 21:27:16 C 07 32 44.01 +29 34 56.7 c A24
2011-04-08 21:30:47 C 07 32 44.21 +29 34 54.7 c A24
2011-04-08 21:40:16 C 07 32 44.73 +29 34 49.5 c A24
2011-04-09 20:03:24 C 07 33 57.65 +29 22 35.5 c A24
2011-04-09 20:04:26 C 07 33 57.69 +29 22 35.1 c A24
2011-04-09 20:05:28 C 07 33 57.73 +29 22 34.6 c A24
2011-04-22 03:02:56 C 07 50 34.67 +26 48 56.8 18.4 c 704
2011-04-22 03:34:43 C 07 50 36.48 +26 48 40.1 18.3 c 704
2011-04-22 03:50:58 C 07 50 37.37 +26 48 32.2 18.6 c 704
2011-04-22 04:07:01 C 07 50 38.31 +26 48 24.6 18.4 c 704
2011-04-25 06:50:27 C 07 54 59.662 +26 11 18.20 L F51
2011-04-25 06:57:23 C 07 55 00.065 +26 11 14.73 L F51
2011-04-25 07:04:34 C 07 55 00.474 +26 11 11.19 L F51
2011-04-25 07:11:34 C 07 55 00.877 +26 11 07.73 L F51
2011-05-03 03:13:39 C 08 06 10.69 +24 40 04.3 r G96
2011-05-03 03:19:36 C 08 06 11.03 +24 40 01.4 18.4 c 704
2011-05-03 03:22:01 C 08 06 11.16 +24 40 00.1 r G96
2011-05-03 03:30:23 C 08 06 11.66 +24 39 56.1 r G96
2011-05-03 03:38:44 C 08 06 12.16 +24 39 52.2 r G96
2011-05-03 03:49:08 C 08 06 12.78 +24 39 47.7 18.7 c 704
2011-05-03 04:04:08 C 08 06 13.68 +24 39 40.4 18.9 c 704
2011-05-03 04:19:00 C 08 06 14.57 +24 39 33.2 18.8 c 704
2011-05-12 03:50:28 C 08 19 18.44 +22 58 09.0 r 703
2011-05-12 04:02:48 C 08 19 19.12 +22 58 03.6 r 703
2011-05-12 04:14:48 C 08 19 19.81 +22 57 57.1 r 703
2011-05-12 04:26:45 C 08 19 20.60 +22 57 52.0 r 703
2011-05-22 03:55:18 C 08 34 04.11 +21 07 26.4 r G96
2011-05-22 04:02:43 C 08 34 04.58 +21 07 23.1 r G96
2011-05-22 04:10:15 C 08 34 05.01 +21 07 19.6 r G96
2011-05-22 04:17:44 C 08 34 05.48 +21 07 16.0 r G96
2012-01-06 07:36:07 C 13 53 57.47 -25 29 20.0 u I20
2012-01-06 07:53:21 C 13 53 58.21 -25 29 28.2 u I20
2012-04-01 01:48:41 C 14 06 01.69 -44 15 59.6 u I39
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)