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
2011-01-16 08:36:34 C 07 36 42.17 +59 01 05.8 15.9 c 704
2011-01-16 21:35:01 C 07 34 57.20 +58 47 55.1 c 127
2011-01-16 21:47:31 C 07 34 55.48 +58 47 42.5 c 127
2011-01-16 21:54:26 C 07 34 54.53 +58 47 35.8 c 127
2011-01-16 22:01:42 C 07 34 53.54 +58 47 28.3 c 127
2011-01-16 22:10:24 C 07 34 52.32 +58 47 19.5 c 127
2011-01-17 08:15:05 C 07 33 31.04 +58 37 03.5 15.5 c 704
2011-01-17 08:34:09 C 07 33 28.44 +58 36 43.5 15.7 c 704
2011-01-17 08:53:15 C 07 33 25.83 +58 36 23.4 15.8 c 704
2011-01-17 09:32:36 C 07 33 20.41 +58 35 42.1 15.6 c 704
2011-01-19 12:20:02 C 07 26 58.82 +57 42 10.3 o 300
2011-01-19 12:20:59 C 07 26 58.69 +57 42 09.5 o 300
2011-01-19 12:56:08 C 07 26 54.33 +57 41 32.0 o 300
2011-01-19 12:58:03 C 07 26 54.09 +57 41 29.7 o 300
2011-01-19 12:59:57 C 07 26 53.86 +57 41 27.5 o 300
2011-01-23 23:46:24 C 07 15 26.22 +55 42 38.6 u 160
2011-01-23 23:48:38 C 07 15 26.00 +55 42 36.0 u 160
2011-01-23 23:50:52 C 07 15 25.77 +55 42 33.5 u 160
2011-01-24 06:18:48 C 07 14 49.51 +55 35 11.8 15.9 c 704
2011-01-24 06:37:40 C 07 14 47.70 +55 34 50.1 16.1 c 704
2011-01-24 06:56:19 C 07 14 45.84 +55 34 29.2 16.0 c 704
2011-01-24 07:14:59 C 07 14 44.01 +55 34 07.2 16.2 c 704
2011-01-24 07:33:29 C 07 14 42.21 +55 33 45.5 16.2 c 704
2011-01-24 12:23:36 C 07 14 16.03 +55 28 13.4 u 379
2011-01-24 12:27:21 C 07 14 15.65 +55 28 09.3 u 379
2011-01-24 12:35:40 C 07 14 14.83 +55 28 00.3 u 379
2011-01-24 22:57:13 C 07 13 18.16 +55 16 02.6 u J93
2011-01-24 23:00:16 C 07 13 17.73 +55 15 58.9 u J93
2011-01-24 23:03:19 C 07 13 17.40 +55 15 55.3 u J93
2011-01-25 06:27:57 C 07 12 37.64 +55 07 26.4 15.9 c 704
2011-01-25 06:28:09 C 07 12 37.66 +55 07 25.9 15.9 c 704
2011-01-25 06:57:11 C 07 12 34.94 +55 06 52.4 16.0 c 704
2011-01-25 06:57:23 C 07 12 34.95 +55 06 52.1 16.1 c 704
2011-01-25 07:23:01 C 07 12 32.56 +55 06 22.4 16.1 c 704
2011-01-25 07:23:14 C 07 12 32.56 +55 06 22.1 16.1 c 704
2011-01-25 07:45:38 C 07 12 30.41 +55 05 56.1 16.1 c 704
2011-01-25 07:45:51 C 07 12 30.43 +55 05 55.7 16.2 c 704
2011-01-25 08:05:04 C 07 12 28.65 +55 05 34.1 16.0 c 704
2011-01-25 08:05:17 C 07 12 28.65 +55 05 34.1 16.4 c 704
2011-01-28 20:52:21 C 07 05 47.33 +53 26 45.4 c 127
2011-01-28 20:57:23 C 07 05 46.94 +53 26 39.4 c 127
2011-01-28 21:02:57 C 07 05 46.54 +53 26 33.0 c 127
2011-01-28 21:08:09 C 07 05 46.14 +53 26 27.0 c 127
2011-01-28 21:13:09 C 07 05 45.79 +53 26 21.1 c 127
2011-01-29 19:15:16 C 07 04 16.07 +53 00 29.3 c 127
2011-01-29 19:26:24 C 07 04 15.32 +53 00 16.6 c 127
2011-01-29 19:31:24 C 07 04 14.97 +53 00 10.7 c 127
2011-01-29 19:36:14 C 07 04 14.63 +53 00 05.1 c 127
2011-01-30 06:02:10 C 07 03 33.58 +52 47 55.6 r 703
2011-01-30 06:09:41 C 07 03 33.04 +52 47 46.4 r 703
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)