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
2016-01-11 11:13:47 C 11 24 04.33 +11 21 33.9 q H45
2016-01-11 11:17:23 C 11 24 04.25 +11 21 33.5 q H45
2016-01-13 12:42:52 C 11 22 48.06 +11 16 54.8 q 703
2016-01-13 12:50:04 C 11 22 47.83 +11 16 54.5 q 703
2016-01-13 12:57:18 C 11 22 47.61 +11 16 53.4 q 703
2016-01-13 13:04:32 C 11 22 47.38 +11 16 53.0 q 703
2016-01-17 01:05:50 C 11 20 13.83 +11 10 22.7 o Z22
2016-01-17 01:33:08 C 11 20 12.81 +11 10 20.1 o Z22
2016-01-17 01:49:28 C 11 20 12.11 +11 10 18.7 q 160
2016-01-17 01:51:46 C 11 20 12.05 +11 10 18.4 q 160
2016-01-17 01:54:05 C 11 20 11.98 +11 10 18.2 q 160
2016-01-18 02:00:01 C 11 19 22.03 +11 08 45.4 q 160
2016-01-18 02:02:20 C 11 19 21.97 +11 08 45.1 q 160
2016-01-18 02:04:37 C 11 19 21.87 +11 08 45.1 q 160
2016-01-19 11:12:40 C 11 18 09.06 +11 06 51.8 q 703
2016-01-19 11:22:55 C 11 18 08.66 +11 06 51.1 q 703
2016-01-19 11:33:06 C 11 18 08.24 +11 06 50.4 q 703
2016-01-19 11:43:15 C 11 18 07.85 +11 06 49.9 q 703
2016-01-21 22:39:36 C 11 15 47.06 +11 04 01.3 o C41
2016-01-21 22:50:11 C 11 15 46.52 +11 04 01.4 o C41
2016-01-21 23:00:42 C 11 15 46.06 +11 04 01.8 o C41
2016-01-22 00:53:42 C 11 15 41.37 +11 03 56.6 q 160
2016-01-22 00:56:00 C 11 15 41.28 +11 03 56.9 q 160
2016-01-22 00:58:19 C 11 15 41.20 +11 03 56.5 q 160
2016-01-23 07:23:54 C 11 14 22.38 +11 02 49.0 u H21
2016-01-23 07:26:38 C 11 14 22.23 +11 02 49.0 u H21
2016-01-23 07:28:53 C 11 14 22.12 +11 02 48.8 u H21
2016-01-23 07:31:50 C 11 14 22.01 +11 02 48.8 u H21
2016-01-23 07:35:22 C 11 14 21.83 +11 02 48.8 u H21
2016-01-23 07:44:56 C 11 14 21.40 +11 02 48.4 u H21
2016-01-23 07:50:13 C 11 14 21.17 +11 02 48.1 u H21
2016-01-24 05:38:32 C 11 13 22.41 +11 02 05.9 u H21
2016-01-24 05:41:28 C 11 13 22.27 +11 02 06.0 u H21
2016-01-24 05:44:25 C 11 13 22.15 +11 02 05.9 u H21
2016-01-24 05:47:21 C 11 13 22.00 +11 02 05.9 u H21
2016-01-24 05:50:18 C 11 13 21.88 +11 02 05.9 u H21
2016-01-24 05:54:20 C 11 13 21.69 +11 02 05.6 u H21
2016-01-24 05:58:27 C 11 13 21.48 +11 02 05.7 u H21
2016-01-24 06:01:28 C 11 13 21.35 +11 02 05.5 u H21
2016-01-24 06:04:24 C 11 13 21.22 +11 02 05.5 u H21
2016-01-24 06:07:20 C 11 13 21.07 +11 02 05.5 u H21
2016-01-24 06:10:16 C 11 13 20.94 +11 02 05.6 u H21
2016-01-24 06:13:12 C 11 13 20.80 +11 02 05.5 u H21
2016-01-24 06:19:36 C 11 13 20.51 +11 02 05.2 u H21
2016-01-24 06:27:25 C 11 13 20.12 +11 02 05.1 u H21
2016-01-24 06:34:37 C 11 13 19.80 +11 02 04.9 u H21
2016-01-29 09:50:52 C 11 07 10.19 +10 59 53.2 q H45
2016-01-29 09:53:11 C 11 07 10.04 +10 59 53.0 q H45
2016-01-29 09:55:04 C 11 07 09.92 +10 59 53.0 q H45
2016-01-29 09:57:28 C 11 07 09.81 +10 59 53.0 q H45
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)