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
2011-02-05 21:09:14 C 06 55 40.96 +49 42 30.8 c A24
2011-02-05 21:10:37 C 06 55 40.90 +49 42 29.5 c A24
2011-02-05 21:38:55 C 06 55 39.77 +49 41 56.9 c A24
2011-02-05 21:53:03 C 06 55 39.20 +49 41 40.4 c A24
2011-02-05 21:54:25 C 06 55 39.14 +49 41 39.1 c A24
2011-02-05 23:03:39 C 06 55 36.43 +49 40 18.5 c A24
2011-02-05 23:05:00 C 06 55 36.41 +49 40 17.6 c A24
2011-02-06 20:37:41 C 06 54 52.86 +49 15 38.9 u J28
2011-02-06 20:44:53 C 06 54 52.60 +49 15 31.0 u J28
2011-02-06 20:50:58 C 06 54 52.37 +49 15 24.1 u J28
2011-02-07 20:17:39 C 06 54 08.94 +48 48 42.9 o 639
2011-02-07 20:22:56 C 06 54 08.70 +48 48 37.8 o 639
2011-02-07 20:32:05 C 06 54 08.47 +48 48 27.2 o 639
2011-02-07 20:39:46 C 06 54 08.30 +48 48 19.4 c A24
2011-02-07 20:41:09 C 06 54 08.26 +48 48 18.0 c A24
2011-02-07 21:23:38 C 06 54 06.87 +48 47 29.7 c A24
2011-02-07 21:25:00 C 06 54 06.84 +48 47 28.4 c A24
2011-02-08 18:57:42 C 06 53 31.93 +48 23 09.5 c A24
2011-02-08 18:59:04 C 06 53 31.88 +48 23 07.9 c A24
2011-02-08 21:07:45 C 06 53 28.20 +48 20 43.8 c A24
2011-02-08 21:09:08 C 06 53 28.16 +48 20 42.5 c A24
2011-02-08 21:52:37 C 06 53 26.94 +48 19 53.3 c A24
2011-02-08 21:53:59 C 06 53 26.90 +48 19 51.9 c A24
2011-02-08 23:05:20 C 06 53 24.92 +48 18 31.4 o B75
2011-02-08 23:09:33 C 06 53 24.77 +48 18 26.6 o B75
2011-02-08 23:10:51 C 06 53 24.78 +48 18 25.1 o B75
2011-02-08 23:13:33 C 06 53 24.67 +48 18 22.2 o B75
2011-02-09 19:39:19 C 06 52 56.28 +47 55 32.1 u J28
2011-02-09 19:55:46 C 06 52 55.88 +47 55 14.2 u J28
2011-02-09 20:12:12 C 06 52 55.47 +47 54 56.1 u J28
2011-02-10 20:12:18 C 06 52 25.46 +47 28 19.1 c A24
2011-02-10 20:13:40 C 06 52 25.43 +47 28 17.5 c A24
2011-02-10 20:49:13 C 06 52 24.67 +47 27 38.3 c A24
2011-02-10 21:42:52 C 06 52 23.50 +47 26 39.2 c A24
2011-02-10 22:01:42 C 06 52 23.05 +47 26 18.3 c A24
2011-02-11 20:13:43 C 06 52 00.12 +47 01 57.1 u A06
2011-02-11 20:21:57 C 06 52 00.01 +47 01 47.2 u A06
2011-02-11 20:31:50 C 06 51 59.82 +47 01 36.2 u A06
2011-02-22 11:55:22 C 06 51 28.18 +42 39 10.4 u 379
2011-02-22 12:04:32 C 06 51 28.27 +42 39 01.8 u 379
2011-02-22 12:09:51 C 06 51 28.32 +42 38 56.6 u 379
2011-02-22 12:21:38 C 06 51 28.38 +42 38 45.2 u 379
2011-02-22 12:34:05 C 06 51 28.51 +42 38 33.3 u 379
2011-02-22 12:45:21 C 06 51 28.56 +42 38 22.4 u 379
2011-02-22 12:48:02 C 06 51 28.60 +42 38 19.8 u 379
2011-02-23 04:54:29 C 06 51 38.99 +42 22 57.2 16.6 c 704
2011-02-23 05:12:31 C 06 51 39.16 +42 22 39.8 16.7 c 704
2011-02-23 05:30:13 C 06 51 39.31 +42 22 22.9 16.7 c 704
2011-02-23 05:48:03 C 06 51 39.46 +42 22 05.8 16.8 c 704
2011-02-23 06:05:56 C 06 51 39.63 +42 21 48.7 16.9 c 704
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)