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
2004-04-14 03:15:16 C 08 06 51.97 +25 09 33.6 o 699
2004-04-14 03:17:06 C 08 06 52.04 +25 09 32.7 18.0 c 704
2004-04-14 03:32:51 C 08 06 52.66 +25 09 25.2 18.5 c 704
2004-04-14 03:45:43 C 08 06 53.17 +25 09 19.2 o 699
2004-04-14 03:48:47 C 08 06 53.29 +25 09 17.4 18.3 c 704
2004-04-14 04:04:33 C 08 06 53.89 +25 09 10.0 18.3 c 704
2004-04-14 04:16:16 C 08 06 54.36 +25 09 03.9 o 699
2004-04-14 04:20:40 C 08 06 54.54 +25 09 01.7 18.5 c 704
2004-04-14 04:46:49 C 08 06 55.57 +25 08 49.1 o 699
2004-04-19 03:22:42 C 08 11 52.13 +24 12 19.9 19.0 c 704
2004-04-19 03:38:54 C 08 11 52.81 +24 12 12.5 18.6 c 704
2004-04-19 03:56:46 C 08 11 53.53 +24 12 04.5 18.7 c 704
2004-04-19 04:12:56 C 08 11 54.18 +24 11 55.8 18.8 c 704
2004-04-19 04:28:56 C 08 11 54.99 +24 11 49.1 19.5 c 704
2004-04-20 20:57:29 C 08 13 40.81 +23 52 52.4 c A32
2004-04-20 21:07:11 C 08 13 41.20 +23 52 47.7 c A32
2004-04-20 21:16:54 C 08 13 41.64 +23 52 43.3 c A32
2004-04-20 21:26:35 C 08 13 42.11 +23 52 38.2 c A32
2004-04-20 21:36:17 C 08 13 42.48 +23 52 33.1 c A32
2004-04-22 04:32:35 C 08 15 04.87 +23 38 13.8 18.1 c 704
2004-04-22 04:48:05 C 08 15 05.52 +23 38 08.0 19.3 c 704
2004-04-22 05:19:21 C 08 15 06.92 +23 37 51.9 18.4 c 704
2004-04-22 05:34:58 C 08 15 07.61 +23 37 44.2 18.6 c 704
2004-05-02 03:04:38 C 08 26 17.35 +21 50 09.0 d 703
2004-05-02 03:17:40 C 08 26 17.87 +21 50 02.0 d 703
2004-05-02 03:30:48 C 08 26 18.46 +21 49 56.5 d 703
2004-05-02 03:43:55 C 08 26 19.11 +21 49 49.8 d 703
2004-05-10 03:18:42 C 08 35 57.39 +20 25 27.0 d 703
2004-05-10 03:33:34 C 08 35 58.09 +20 25 19.1 d 703
2004-05-10 03:48:18 C 08 35 58.81 +20 25 12.9 d 703
2004-05-10 04:03:12 C 08 35 59.59 +20 25 06.5 d 703
2004-05-12 03:36:13 C 08 38 27.39 +20 04 22.5 18.6 c 704
2004-05-12 03:50:22 C 08 38 28.10 +20 04 16.5 18.9 c 704
2004-05-12 04:04:47 C 08 38 28.94 +20 04 10.1 19.3 c 704
2004-05-12 04:19:11 C 08 38 29.62 +20 04 02.0 18.9 c 704
2005-04-15 16:05:27 C 14 22 43.65 -50 23 53.7 r E12
2005-04-15 16:24:22 C 14 22 42.21 -50 23 59.9 r E12
2005-04-15 16:43:09 C 14 22 40.55 -50 24 05.5 r E12
2005-04-15 17:02:00 C 14 22 38.98 -50 24 11.7 r E12
2005-05-16 13:36:06 C 13 14 57.03 -50 05 36.2 r E12
2005-05-16 13:48:26 C 13 14 56.02 -50 05 31.5 r E12
2005-05-16 14:00:48 C 13 14 54.98 -50 05 26.7 r E12
2005-05-16 14:13:11 C 13 14 53.96 -50 05 21.8 r E12
2005-07-05 10:07:09 C 12 51 36.36 -40 31 55.4 r E12
2005-07-05 10:17:54 C 12 51 36.72 -40 31 51.5 r E12
2005-07-05 10:28:39 C 12 51 37.11 -40 31 47.6 r E12
2005-07-29 09:43:36 C 13 22 55.02 -38 06 11.2 r E12
2005-07-29 09:55:20 C 13 22 55.84 -38 06 09.6 r E12
2005-07-29 10:07:06 C 13 22 56.71 -38 06 07.5 r E12
2005-07-29 10:18:53 C 13 22 57.50 -38 06 05.6 r E12
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)