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
2017-10-15 18:35:53 C 16 55 35.43 +76 02 15.8 q K26
2017-10-15 18:39:09 C 16 55 35.19 +76 02 16.8 q K26
2017-10-15 18:40:02 S 16 55 38.98 +76 02 09.9 L C51
2017-10-15 18:43:14 C 16 55 34.46 +76 02 18.2 o B67
2017-10-15 18:48:37 C 16 55 34.04 +76 02 19.6 o B67
2017-10-15 18:49:33 C 16 55 34.82 +76 02 20.3 t K05
2017-10-15 18:54:02 C 16 55 33.62 +76 02 21.1 o B67
2017-10-15 18:59:26 C 16 55 33.21 +76 02 22.6 o B67
2017-10-15 19:11:59 C 16 55 33.03 +76 02 26.7 t K05
2017-10-15 19:36:09 C 16 55 30.76 +76 02 32.6 q K26
2017-10-15 19:39:25 C 16 55 30.50 +76 02 33.5 q K26
2017-10-15 19:39:59 C 16 55 30.87 +76 02 34.6 t K05
2017-10-15 19:42:40 C 16 55 30.28 +76 02 34.4 q K26
2017-10-15 20:13:37 C 16 55 28.36 +76 02 43.9 t K05
2017-10-15 20:47:15 C 16 55 25.96 +76 02 53.2 t K05
2017-10-15 21:26:28 C 16 55 23.30 +76 03 03.9 t K05
2017-10-15 21:48:33 S 16 55 26.230 +76 03 15.30 L C51
2017-10-15 21:48:52 C 16 55 21.83 +76 03 10.1 t K05
2017-10-15 22:27:30 C 16 55 19.35 +76 03 21.0 U Z80
2017-10-15 22:28:34 C 16 55 19.09 +76 03 21.6 U Z80
2017-10-15 22:29:38 C 16 55 19.14 +76 03 21.9 U Z80
2017-10-15 22:30:41 C 16 55 19.11 +76 03 21.9 U Z80
2017-10-15 22:31:45 C 16 55 19.18 +76 03 22.4 U Z80
2017-10-15 22:32:49 C 16 55 19.05 +76 03 22.5 U Z80
2017-10-15 22:33:53 C 16 55 18.98 +76 03 22.8 U Z80
2017-10-15 22:34:56 C 16 55 18.83 +76 03 23.1 U Z80
2017-10-15 22:36:00 C 16 55 18.88 +76 03 23.3 U Z80
2017-10-15 22:37:03 C 16 55 18.71 +76 03 23.6 U Z80
2017-10-16 00:57:03 S 16 55 13.53 +76 04 20.6 L C51
2017-10-16 00:57:14 S 16 55 13.65 +76 04 20.5 L C51
2017-10-16 03:54:18 C 16 54 56.86 +76 05 17.9 P V78
2017-10-16 04:24:29 C 16 54 54.96 +76 05 26.2 P V78
2017-10-16 04:49:15 C 16 54 53.48 +76 05 32.5 P V78
2017-10-16 06:51:26 C 16 54 43.43 +76 06 28.4 L T08
2017-10-16 07:02:04 C 16 54 42.66 +76 06 30.9 L T08
2017-10-16 07:14:14 S 16 54 48.74 +76 06 30.8 L C51
2017-10-16 07:16:14 C 16 54 41.69 +76 06 34.2 L T08
2017-10-16 07:25:37 C 16 54 41.01 +76 06 36.3 L T08
2017-10-16 10:22:44 S 16 54 36.48 +76 07 36.0 L C51
2017-10-16 13:31:14 S 16 54 24.36 +76 08 41.1 L C51
2017-10-16 13:31:25 S 16 54 24.43 +76 08 41.0 L C51
2017-10-16 16:39:55 S 16 54 12.42 +76 09 46.0 L C51
2017-10-16 18:18:06 C 16 54 02.03 +76 10 31.4 S K14
2017-10-16 18:24:09 C 16 54 02.07 +76 10 29.6 q K26
2017-10-16 18:27:25 C 16 54 01.83 +76 10 30.5 q K26
2017-10-16 18:30:40 C 16 54 01.59 +76 10 31.5 q K26
2017-10-16 19:23:50 C 16 53 57.72 +76 10 46.2 q K26
2017-10-16 19:27:04 C 16 53 57.49 +76 10 47.1 q K26
2017-10-16 19:30:19 C 16 53 57.26 +76 10 47.9 q K26
2017-10-16 19:48:25 S 16 54 00.557 +76 10 50.95 L C51
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)