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
2009-02-23 08:44:56 C 10 48 03.05 +05 51 38.1 17.7 c 704
2009-02-23 09:01:56 C 10 48 01.84 +05 51 38.3 17.8 c 704
2009-02-23 23:01:14 C 10 47 04.31 +05 52 12.7 r J75
2009-02-23 23:20:04 C 10 47 02.98 +05 52 13.5 r J75
2009-02-23 23:38:55 C 10 47 01.68 +05 52 14.3 r J75
2009-02-26 06:46:46 C 10 43 13.94 +05 54 38.1 r 703
2009-02-26 07:01:43 C 10 43 12.86 +05 54 39.0 r 703
2009-02-26 07:16:39 C 10 43 11.85 +05 54 39.4 r 703
2009-02-26 07:31:46 C 10 43 10.77 +05 54 40.3 r 703
2009-02-27 08:08:33 C 10 41 29.25 +05 55 45.7 r G96
2009-02-27 08:14:30 C 10 41 28.82 +05 55 46.0 r G96
2009-02-27 08:20:28 C 10 41 28.42 +05 55 46.2 r G96
2009-02-27 08:26:25 C 10 41 27.99 +05 55 46.5 r G96
2009-02-27 22:43:22 C 10 40 29.42 +05 56 24.2 r B09
2009-02-27 22:49:23 C 10 40 28.98 +05 56 23.7 r B09
2009-02-28 00:32:30 C 10 40 21.83 +05 56 28.7 c A24
2009-02-28 00:33:57 C 10 40 21.70 +05 56 28.6 c A24
2009-02-28 00:53:22 C 10 40 20.38 +05 56 29.6 c A24
2009-02-28 01:14:15 C 10 40 18.92 +05 56 30.5 c A24
2009-02-28 01:33:41 C 10 40 17.58 +05 56 31.4 c A24
2009-02-28 01:35:07 C 10 40 17.49 +05 56 31.3 c A24
2009-03-01 04:14:49 C 10 38 28.67 +05 57 43.9 o 691
2009-03-01 04:40:11 C 10 38 26.92 +05 57 45.1 o 691
2009-03-01 05:05:36 C 10 38 25.15 +05 57 46.2 o 691
2009-03-14 22:27:50 C 10 17 30.17 +06 10 05.7 r J75
2009-03-14 22:46:35 C 10 17 29.09 +06 10 06.4 r J75
2009-03-14 23:05:24 C 10 17 28.00 +06 10 07.0 r J75
2009-03-15 05:38:44 C 10 17 05.67 +06 10 17.2 r 703
2009-03-15 05:46:41 C 10 17 05.24 +06 10 17.5 r 703
2009-03-15 05:54:30 C 10 17 04.74 +06 10 17.5 r 703
2009-03-15 06:02:24 C 10 17 04.30 +06 10 18.2 r 703
2009-03-19 05:28:34 C 10 11 53.91 +06 12 08.6 18.1 c 704
2009-03-19 05:45:12 C 10 11 53.05 +06 12 08.5 17.9 c 704
2009-03-19 06:01:49 C 10 11 52.15 +06 12 08.9 18.0 c 704
2009-03-19 06:18:39 C 10 11 51.28 +06 12 09.0 18.3 c 704
2009-03-19 06:35:17 C 10 11 50.38 +06 12 09.4 18.3 c 704
2009-03-21 22:18:16 C 10 08 40.15 +06 12 44.6 c A24
2009-03-21 22:19:43 C 10 08 40.07 +06 12 44.4 c A24
2009-03-21 22:35:15 C 10 08 39.33 +06 12 44.7 c A24
2009-03-21 22:52:14 C 10 08 38.50 +06 12 44.7 c A24
2009-03-21 23:07:46 C 10 08 37.74 +06 12 45.0 c A24
2009-03-21 23:09:12 C 10 08 37.67 +06 12 44.9 c A24
2009-03-22 05:49:31 C 10 08 18.63 +06 12 47.8 17.6 c 704
2009-03-22 06:07:33 C 10 08 17.75 +06 12 47.6 17.9 c 704
2009-03-22 06:26:55 C 10 08 16.77 +06 12 47.9 18.4 c 704
2009-03-22 06:45:11 C 10 08 15.93 +06 12 48.4 18.0 c 704
2009-03-24 21:42:01 C 10 05 24.03 +06 12 47.5 c A24
2009-03-24 21:43:28 C 10 05 23.95 +06 12 47.4 c A24
2009-03-24 21:59:04 C 10 05 23.26 +06 12 47.4 c A24
2009-03-24 22:16:07 C 10 05 22.49 +06 12 47.3 c A24
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)