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
2019-06-09 06:12:50 C 12 07 25.91 -33 29 39.0 V T08
2019-06-09 06:17:30 C 12 07 25.87 -33 29 37.3 V T08
2019-06-09 06:30:45 C 12 07 25.89 -33 29 32.5 V T08
2019-06-09 07:00:40 C 12 07 25.90 -33 29 22.0 V T08
2019-06-11 06:15:36 C 12 07 36.54 -33 13 11.5 V T05
2019-06-11 06:19:41 C 12 07 36.54 -33 13 10.0 V T05
2019-06-11 06:27:41 C 12 07 36.57 -33 13 07.1 V T05
2019-06-11 06:42:24 C 12 07 36.62 -33 13 02.1 V T05
2019-06-13 06:34:01 C 12 07 56.85 -32 57 24.9 V T08
2019-06-13 06:38:41 C 12 07 56.83 -32 57 22.5 V T08
2019-06-13 06:46:42 C 12 07 56.92 -32 57 19.2 V T08
2019-06-13 07:36:07 C 12 07 57.30 -32 57 04.2 V T08
2019-06-13 07:46:10 C 12 07 57.37 -32 56 59.8 V T08
2019-06-15 06:41:20 C 12 08 26.44 -32 42 27.3 V T05
2019-06-15 06:45:28 C 12 08 26.50 -32 42 26.4 V T05
2019-06-15 06:52:50 C 12 08 26.54 -32 42 24.1 V T05
2019-06-15 07:08:27 C 12 08 26.70 -32 42 19.3 V T05
2019-06-21 06:28:34 C 12 10 47.55 -32 02 41.1 V T08
2019-06-21 06:33:17 C 12 10 47.64 -32 02 40.0 V T08
2019-06-21 06:41:57 C 12 10 47.83 -32 02 38.3 V T08
2019-06-21 07:01:17 C 12 10 48.18 -32 02 32.5 V T08
2019-06-25 05:59:50 C 12 13 02.56 -31 40 23.3 V T08
2019-06-25 06:05:09 C 12 13 02.61 -31 40 22.8 V T08
2019-06-25 06:15:49 C 12 13 02.94 -31 40 20.8 V T08
2019-06-25 06:30:28 C 12 13 03.27 -31 40 17.4 V T08
2019-06-29 07:37:28 C 12 15 52.26 -31 20 59.9 q E89
2019-06-29 07:52:34 C 12 15 52.76 -31 20 57.2 q E89
2019-07-05 06:40:07 C 12 20 55.36 -30 59 04.0 V T05
2019-07-05 06:45:58 C 12 20 55.61 -30 59 03.4 V T05
2019-07-05 06:56:09 C 12 20 55.98 -30 59 01.7 V T05
2019-07-05 07:14:36 C 12 20 56.68 -30 58 59.4 V T05
2019-07-06 06:17:09 C 12 21 51.40 -30 56 09.1 V T05
2019-07-06 06:26:27 C 12 21 51.77 -30 56 07.9 V T05
2019-07-06 06:31:56 C 12 21 51.99 -30 56 07.8 V T05
2019-07-06 06:48:05 C 12 21 52.60 -30 56 05.4 V T05
2019-07-07 06:15:17 C 12 22 49.88 -30 53 24.1 V T05
2019-07-07 06:19:56 C 12 22 50.05 -30 53 23.3 V T05
2019-07-07 06:28:34 C 12 22 50.39 -30 53 22.2 V T05
2019-07-07 06:42:43 C 12 22 51.00 -30 53 20.3 V T05
2019-08-28 08:16:26 C 13 45 58.26 -32 10 45.1 q E89
2019-08-28 08:53:13 C 13 46 01.55 -32 10 51.0 q E89
2019-09-20 07:11:47 C 14 40 52.74 -33 53 17.6 q E89
2019-09-20 07:28:00 C 14 40 54.51 -33 53 20.1 q E89
2019-09-20 07:43:46 C 14 40 56.27 -33 53 22.9 q E89
2020-10-27 12:37:28 C 11 25 03.03 +05 09 59.1 U I41
2020-10-27 12:44:13 C 11 25 03.38 +05 09 55.5 U I41
2020-10-27 12:50:56 C 11 25 03.79 +05 09 51.8 U I41
2020-10-27 12:57:41 C 11 25 04.13 +05 09 48.4 U I41
2020-10-29 12:04:17 C 11 27 38.67 +04 45 05.2 V G96
2020-10-29 12:15:01 C 11 27 39.24 +04 44 59.1 V G96
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)