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
2017-09-02 19:09:21 C 20 46 41.07 +14 05 03.6 9.0 q 006
2017-09-02 19:11:35 C 20 46 40.11 +14 05 52.9 8.9 q 006
2017-09-02 19:13:50 C 20 46 39.16 +14 06 42.3 8.9 q 006
2017-09-02 19:17:19 C 20 46 37.67 +14 07 58.8 8.9 q 006
2017-09-02 19:17:45 C 20 46 29.44 +14 07 33.8 q 168
2017-09-02 19:37:45 C 20 46 21.04 +14 14 50.4 q 168
2017-09-02 19:46:12 C 20 46 17.44 +14 17 54.7 q 168
2017-09-02 19:50:50 C 20 46 15.55 +14 19 35.7 q 168
2017-09-02 20:10:50 C 20 46 07.14 +14 26 51.4 q 168
2017-09-02 20:20:50 C 20 46 02.99 +14 30 29.2 q 168
2017-09-02 20:22:27 C 20 46 08.81 +14 31 22.8 q C23
2017-09-02 20:40:50 C 20 45 54.65 +14 37 44.0 q 168
2017-09-02 20:42:11 C 20 46 00.42 +14 38 33.1 q C23
2017-09-02 20:50:50 C 20 45 50.49 +14 41 20.3 q 168
2017-09-02 20:54:23 C 20 45 55.21 +14 42 59.7 q C23
2017-09-02 21:06:35 C 20 45 50.01 +14 47 25.6 q C23
2017-09-02 21:09:16 C 20 45 42.87 +14 48 00.7 q 168
2017-09-02 21:18:48 C 20 45 44.79 +14 51 51.2 q C23
2017-09-02 21:31:00 C 20 45 39.57 +14 56 16.6 q C23
2017-09-02 21:43:12 C 20 45 34.37 +15 00 41.8 q C23
2017-09-02 21:55:25 C 20 45 29.15 +15 05 06.8 q C23
2017-09-02 21:56:15 C 20 45 28.61 +15 05 28.9 q K26
2017-09-02 21:58:45 C 20 45 27.54 +15 06 22.9 q K26
2017-09-02 22:00:01 C 20 45 27.02 +15 06 50.0 q K26
2017-09-02 22:07:38 C 20 45 23.93 +15 09 31.5 q C23
2017-09-02 22:19:50 C 20 45 18.72 +15 13 55.9 q C23
2017-09-02 22:28:23 C 20 45 15.08 +15 17 01.0 q C23
2017-09-02 22:30:24 C 20 45 14.22 +15 17 44.5 q C23
2017-09-02 22:42:36 C 20 45 09.01 +15 22 08.7 q C23
2017-09-02 22:55:18 C 20 45 03.62 +15 26 42.8 q C23
2017-09-02 22:58:55 C 20 45 01.85 +15 28 04.4 q K26
2017-09-02 23:01:26 C 20 45 00.77 +15 28 58.6 q K26
2017-09-02 23:03:55 C 20 44 59.72 +15 29 52.6 q K26
2017-09-02 23:06:02 C 20 44 59.06 +15 30 34.7 q C23
2017-09-03 00:49:20 C 20 44 27.94 +16 08 18.4 q W34
2017-09-03 01:52:34 C 20 44 00.67 +16 31 00.9 q W34
2017-09-03 01:57:52 C 20 43 58.38 +16 32 54.5 q W34
2017-09-03 02:03:01 C 20 43 56.14 +16 34 45.1 q W34
2017-09-03 02:08:27 C 20 43 53.77 +16 36 41.7 q W34
2017-09-03 02:13:55 C 20 43 51.40 +16 38 38.6 q W34
2017-09-03 02:17:42 C 20 43 49.75 +16 39 59.8 q W34
2017-09-03 02:33:17 C 20 43 44.45 +16 45 02.2 P V78
2017-09-03 02:38:24 C 20 43 42.27 +16 46 52.0 P V78
2017-09-03 02:41:32 C 20 43 40.92 +16 47 58.8 P V78
2017-09-03 02:44:18 C 20 43 39.73 +16 48 58.2 P V78
2017-09-03 02:47:38 C 20 43 38.30 +16 50 09.7 P V78
2017-09-03 02:51:48 C 20 43 36.52 +16 51 38.8 P V78
2017-09-03 07:46:05 C 20 41 32.29 +18 35 29.1 9.4 r 718
2017-09-03 07:49:15 C 20 41 30.95 +18 36 34.3 9.5 r 718
2017-09-03 07:52:23 C 20 41 29.62 +18 37 39.7 9.5 r 718
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)