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
2017-09-22 18:43:12 C 18 11 31.36 +70 26 18.8 q 006
2017-09-22 18:47:11 C 18 11 30.31 +70 26 23.9 q 006
2017-09-22 18:52:11 C 18 11 29.05 +70 26 30.0 q 006
2017-09-22 18:56:09 C 18 11 28.06 +70 26 35.1 q 006
2017-09-22 19:00:08 C 18 11 27.01 +70 26 40.1 q 006
2017-09-22 19:06:46 C 18 11 23.38 +70 26 45.9 12.2 u K96
2017-09-22 19:40:20 C 18 11 14.94 +70 27 25.6 12.3 u K96
2017-09-22 20:19:29 C 18 11 05.25 +70 28 11.0 12.2 u K96
2017-09-22 21:02:45 C 18 10 57.32 +70 29 01.2 U Z80
2017-09-22 21:03:47 C 18 10 57.03 +70 29 02.5 U Z80
2017-09-22 21:04:50 C 18 10 56.82 +70 29 03.8 U Z80
2017-09-22 21:05:53 C 18 10 56.56 +70 29 04.9 U Z80
2017-09-22 21:06:55 C 18 10 56.32 +70 29 06.2 U Z80
2017-09-22 21:07:57 C 18 10 56.05 +70 29 07.4 U Z80
2017-09-22 21:09:01 C 18 10 55.77 +70 29 08.6 U Z80
2017-09-22 21:09:40 C 18 10 53.13 +70 29 08.0 12.2 u K96
2017-09-22 21:10:03 C 18 10 55.54 +70 29 10.1 U Z80
2017-09-22 22:05:34 C 18 10 40.04 +70 30 10.3 12.2 u K96
2017-09-23 01:22:08 C 18 10 02.45 +70 34 53.2 g H32
2017-09-23 01:55:40 C 18 09 53.58 +70 35 31.6 g H32
2017-09-23 02:35:29 C 18 09 43.21 +70 36 18.1 g H32
2017-09-23 04:30:13 C 18 09 15.75 +70 38 13.7 q W19
2017-09-23 04:32:33 C 18 09 15.23 +70 38 16.2 q W19
2017-09-23 04:35:02 C 18 09 14.66 +70 38 18.9 q W19
2017-09-23 04:37:20 C 18 09 14.12 +70 38 21.5 q W19
2017-09-23 04:39:53 C 18 09 13.55 +70 38 24.2 q W19
2017-09-24 07:17:27 S 18 03 38.928 +71 09 33.41 L C51
2017-09-24 13:34:39 S 18 02 20.62 +71 16 25.8 L C51
2017-09-24 16:11:59 C 18 01 43.16 +71 19 44.1 q C97
2017-09-24 16:13:14 C 18 01 42.86 +71 19 45.3 q C97
2017-09-24 16:14:28 C 18 01 42.56 +71 19 46.5 q C97
2017-09-24 16:16:42 C 18 01 42.03 +71 19 48.7 q C97
2017-09-24 16:17:59 C 18 01 41.72 +71 19 49.9 q C97
2017-09-24 16:19:13 C 18 01 41.43 +71 19 51.0 q C97
2017-09-24 16:43:08 S 18 01 41.80 +71 19 48.5 L C51
2017-09-24 19:12:49 C 18 01 08.32 +71 22 49.0 12.6 q 006
2017-09-24 19:20:19 C 18 01 06.60 +71 22 56.6 12.5 q 006
2017-09-24 19:26:34 C 18 01 05.09 +71 23 02.8 12.4 q 006
2017-09-24 19:32:49 C 18 01 03.60 +71 23 08.7 12.5 q 006
2017-09-24 19:39:04 C 18 01 02.11 +71 23 14.9 12.4 q 006
2017-09-24 19:44:04 C 18 01 00.94 +71 23 19.7 12.3 q 006
2017-09-24 19:51:38 S 18 01 03.20 +71 23 08.6 L C51
2017-09-24 23:00:20 S 18 00 24.81 +71 26 25.9 L C51
2017-09-25 03:22:50 C 17 59 26.60 +71 31 18.6 U H06
2017-09-25 03:48:29 C 17 59 20.73 +71 31 42.0 U H06
2017-09-25 04:17:45 C 17 59 14.15 +71 32 08.3 U H06
2017-09-25 05:17:19 S 17 59 08.71 +71 32 54.2 L C51
2017-09-25 08:26:00 S 17 58 31.01 +71 36 04.6 L C51
2017-09-25 17:51:42 S 17 56 39.134 +71 45 22.97 L C51
2017-09-25 19:14:03 C 17 56 20.18 +71 46 56.4 q C23
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)