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
2011-03-22 19:28:25 C 07 12 14.85 +33 39 32.0 c A24
2011-03-22 19:29:27 C 07 12 14.88 +33 39 31.5 c A24
2011-03-22 19:54:10 C 07 12 15.98 +33 39 15.3 c A24
2011-03-22 20:19:34 C 07 12 17.09 +33 38 58.6 c A24
2011-03-22 20:44:37 C 07 12 18.20 +33 38 42.3 c A24
2011-03-22 20:45:41 C 07 12 18.22 +33 38 41.5 c A24
2011-03-23 19:19:50 C 07 13 19.81 +33 24 02.6 c A24
2011-03-23 19:20:52 C 07 13 19.83 +33 24 01.9 c A24
2011-03-23 19:46:05 C 07 13 20.96 +33 23 45.6 c A24
2011-03-23 20:11:57 C 07 13 22.11 +33 23 28.8 c A24
2011-03-23 20:37:29 C 07 13 23.24 +33 23 12.4 c A24
2011-03-23 20:38:32 C 07 13 23.28 +33 23 11.4 c A24
2011-03-25 20:00:14 C 07 15 35.15 +32 52 59.3 c A24
2011-03-25 20:01:16 C 07 15 35.20 +32 52 58.2 c A24
2011-03-25 20:22:38 C 07 15 36.18 +32 52 44.6 c A24
2011-03-25 20:44:42 C 07 15 37.19 +32 52 30.6 c A24
2011-03-25 21:06:25 C 07 15 38.18 +32 52 16.7 c A24
2011-03-25 21:07:27 C 07 15 38.22 +32 52 16.2 c A24
2011-03-28 01:48:19 C 07 18 09.14 +32 19 27.5 u I34
2011-03-28 02:19:38 C 07 18 10.50 +32 19 08.9 u I34
2011-03-28 02:52:04 C 07 18 12.09 +32 18 48.7 u I34
2011-03-29 01:14:32 C 07 19 17.59 +32 05 08.4 u I34
2011-03-29 01:49:18 C 07 19 19.25 +32 04 45.9 u I34
2011-03-29 02:22:07 C 07 19 20.86 +32 04 26.4 u I34
2011-03-29 20:30:52 C 07 20 14.35 +31 53 25.0 u A27
2011-03-29 20:36:31 C 07 20 14.73 +31 53 22.5 u A27
2011-03-29 20:46:09 C 07 20 15.14 +31 53 16.3 u A27
2011-03-30 20:04:18 C 07 21 24.58 +31 39 17.8 c A24
2011-03-30 20:05:20 C 07 21 24.61 +31 39 17.1 c A24
2011-03-30 20:27:16 C 07 21 25.69 +31 39 04.0 c A24
2011-03-30 20:50:15 C 07 21 26.82 +31 38 50.2 c A24
2011-03-30 21:12:10 C 07 21 27.88 +31 38 36.8 c A24
2011-03-30 21:13:13 C 07 21 27.95 +31 38 36.6 c A24
2011-03-31 20:01:07 C 07 22 36.66 +31 25 03.9 c A24
2011-03-31 20:02:09 C 07 22 36.71 +31 25 03.2 c A24
2011-03-31 20:23:29 C 07 22 37.77 +31 24 50.6 c A24
2011-03-31 20:45:52 C 07 22 38.86 +31 24 37.2 c A24
2011-03-31 21:07:12 C 07 22 39.91 +31 24 24.6 c A24
2011-03-31 21:08:15 C 07 22 39.97 +31 24 24.0 c A24
2011-04-02 18:44:33 C 07 24 59.56 +30 57 41.5 a 233
2011-04-02 18:50:17 C 07 24 59.85 +30 57 38.2 a 233
2011-04-02 19:00:33 C 07 25 00.36 +30 57 32.3 a 233
2011-04-03 02:54:46 C 07 25 24.83 +30 52 59.6 18.4 c 704
2011-04-03 03:12:30 C 07 25 25.74 +30 52 49.1 18.6 c 704
2011-04-03 03:29:51 C 07 25 26.67 +30 52 39.8 18.4 c 704
2011-04-03 03:47:07 C 07 25 27.49 +30 52 28.8 19.0 c 704
2011-04-03 04:04:24 C 07 25 28.32 +30 52 18.9 18.9 c 704
2011-04-05 20:05:45 C 07 28 48.85 +30 15 45.5 c A24
2011-04-05 20:20:04 C 07 28 49.60 +30 15 37.4 c A24
2011-04-05 20:25:10 C 07 28 49.86 +30 15 34.5 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)