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
2017-09-08 18:35:01 C 19 51 31.23 +50 15 03.5 t L04
2017-09-08 18:38:58 C 19 51 29.63 +50 15 38.8 t L04
2017-09-08 18:43:39 C 19 51 27.73 +50 16 20.3 t L04
2017-09-08 18:46:50 C 19 51 29.85 +50 16 52.6 10.3 q 006
2017-09-08 18:48:05 C 19 51 29.36 +50 17 03.7 10.2 q 006
2017-09-08 18:49:20 C 19 51 28.88 +50 17 15.1 10.4 q 006
2017-09-08 18:49:30 C 19 51 25.37 +50 17 12.0 t L04
2017-09-08 18:50:36 C 19 51 28.35 +50 17 26.2 10.2 q 006
2017-09-08 18:51:51 C 19 51 27.84 +50 17 37.5 10.2 q 006
2017-09-08 18:53:05 C 19 51 27.37 +50 17 48.5 10.3 q 006
2017-09-08 18:54:12 C 19 51 23.47 +50 17 53.7 t L04
2017-09-08 18:55:08 C 19 51 26.48 +50 18 06.5 10.4 q 006
2017-09-08 18:56:22 C 19 51 26.02 +50 18 17.6 10.3 q 006
2017-09-08 18:57:37 C 19 51 25.53 +50 18 29.4 10.3 q 006
2017-09-08 18:58:52 C 19 51 25.04 +50 18 39.9 10.4 q 006
2017-09-08 19:00:22 C 19 51 24.42 +50 18 53.4 10.3 q 006
2017-09-08 20:03:53 C 19 50 55.29 +50 28 04.4 t L04
2017-09-08 20:06:00 C 19 50 54.43 +50 28 22.8 t L04
2017-09-08 20:08:19 C 19 50 53.48 +50 28 43.1 t L04
2017-09-08 22:47:09 C 19 49 53.46 +50 51 23.5 U Z80
2017-09-08 22:48:38 C 19 49 52.88 +50 51 36.1 U Z80
2017-09-08 22:50:07 C 19 49 52.30 +50 51 48.6 U Z80
2017-09-08 22:51:36 C 19 49 51.72 +50 52 01.1 U Z80
2017-09-08 22:53:05 C 19 49 51.13 +50 52 13.6 U Z80
2017-09-08 22:54:33 C 19 49 50.53 +50 52 26.1 U Z80
2017-09-08 22:56:03 C 19 49 49.96 +50 52 38.6 U Z80
2017-09-08 22:57:32 C 19 49 49.38 +50 52 51.2 U Z80
2017-09-08 22:59:01 C 19 49 48.79 +50 53 03.7 U Z80
2017-09-08 23:00:27 C 19 49 48.24 +50 53 15.8 U Z80
2017-09-08 23:01:59 C 19 49 47.61 +50 53 28.7 U Z80
2017-09-08 23:03:28 C 19 49 47.04 +50 53 41.2 U Z80
2017-09-08 23:04:58 C 19 49 46.45 +50 53 53.8 U Z80
2017-09-08 23:06:27 C 19 49 45.86 +50 54 06.3 U Z80
2017-09-08 23:07:56 C 19 49 45.26 +50 54 18.8 U Z80
2017-09-09 01:32:36 C 19 49 00.88 +51 15 33.9 h H32
2017-09-09 02:33:19 C 19 48 35.89 +51 24 08.6 h H32
2017-09-09 03:09:55 C 19 48 20.97 +51 28 43.5 P V78
2017-09-09 03:14:41 C 19 48 19.07 +51 29 23.0 P V78
2017-09-09 03:18:30 C 19 48 17.52 +51 29 54.7 P V78
2017-09-09 03:50:15 C 19 48 02.86 +51 34 33.2 u 850
2017-09-09 03:58:01 C 19 48 01.32 +51 35 51.2 h H32
2017-09-09 04:01:20 C 19 48 00.29 +51 35 47.3 P V78
2017-09-09 04:05:34 C 19 47 56.64 +51 36 37.8 u 850
2017-09-09 04:06:08 C 19 47 58.37 +51 36 26.5 P V78
2017-09-09 04:12:20 C 19 47 55.89 +51 37 17.1 P V78
2017-09-09 04:20:54 C 19 47 50.45 +51 38 41.9 u 850
2017-09-09 04:36:14 C 19 47 44.28 +51 40 45.4 u 850
2017-09-09 04:51:35 C 19 47 38.17 +51 42 48.6 u 850
2017-09-09 05:06:57 C 19 47 32.06 +51 44 51.4 u 850
2017-09-09 05:22:18 C 19 47 25.95 +51 46 53.6 u 850
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)