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
2021-02-25 11:35:45 C 12 05 15.02 -13 32 26.0 V T05
2021-02-25 11:39:43 C 12 05 14.80 -13 32 26.5 V T05
2021-02-25 11:46:57 C 12 05 14.41 -13 32 26.8 V T05
2021-03-03 12:13:04 C 11 57 14.10 -13 41 02.3 V T08
2021-03-03 12:17:04 C 11 57 13.86 -13 41 02.2 V T08
2021-03-03 12:27:00 C 11 57 13.26 -13 41 02.4 V T08
2021-03-03 12:47:05 C 11 57 12.06 -13 41 03.1 V T08
2021-03-04 18:19:58 C 11 55 28.152 -13 41 41.71 V P07
2021-03-04 18:25:53 C 11 55 27.787 -13 41 41.78 V P07
2021-03-04 19:18:31 C 11 55 24.624 -13 41 42.72 V P07
2021-03-04 19:19:16 C 11 55 24.564 -13 41 43.19 V P07
2021-03-04 20:33:11 C 11 55 20.095 -13 41 43.66 V P07
2021-03-05 12:31:11 C 11 54 23.31 -13 42 01.0 V T05
2021-03-05 12:36:28 C 11 54 23.03 -13 42 01.2 V T05
2021-03-05 13:22:14 C 11 54 20.23 -13 42 01.7 V T05
2021-03-05 14:04:59 C 11 54 17.62 -13 42 01.3 V T05
2021-03-06 10:32:54 C 11 53 04.27 -13 42 09.0 V T08
2021-03-06 10:35:33 C 11 53 04.10 -13 42 08.9 V T08
2021-03-06 10:39:31 C 11 53 03.87 -13 42 08.9 V T08
2021-03-06 10:47:28 C 11 53 03.36 -13 42 08.9 V T08
2021-03-07 11:45:36 C 11 51 32.49 -13 42 03.2 V T08
2021-03-07 11:50:14 C 11 51 32.20 -13 42 03.2 V T08
2021-03-07 12:04:52 C 11 51 31.29 -13 42 03.1 V T08
2021-03-07 12:45:40 C 11 51 28.74 -13 42 02.6 V T08
2021-03-09 01:14:05 S 11 49 24.422 -13 40 25.97 V C57
2021-03-09 01:14:05 s 1 +157240.01 8 +154226.07 3910.0 C57
2021-03-09 03:14:05 S 11 49 17.621 -13 40 21.18 V C57
2021-03-09 03:14:05 s 1 +156357.38 8 +163885.44 8950.0 C57
2021-03-09 03:24:05 S 11 49 17.074 -13 40 22.62 V C57
2021-03-09 03:24:05 s 1 +156271.30 5 +164677.53 320.0 C57
2021-03-09 03:34:05 S 11 49 16.658 -13 40 21.50 V C57
2021-03-09 03:34:05 s 1 +156183.35 9 +165467.65 7860.0 C57
2021-03-09 04:04:05 S 11 49 14.801 -13 40 20.21 V C57
2021-03-09 04:04:05 s 1 +155908.47 3 +167826.27 7770.0 C57
2021-03-09 04:34:05 S 11 49 13.063 -13 40 20.89 V C57
2021-03-09 04:34:05 s 1 +155617.28 9 +170167.37 4160.0 C57
2021-03-09 04:44:05 S 11 49 12.494 -13 40 18.34 V C57
2021-03-09 04:44:05 s 1 +155516.66 5 +170943.85 5620.0 C57
2021-03-09 05:04:05 S 11 49 11.318 -13 40 18.30 V C57
2021-03-09 05:04:05 s 1 +155310.15 0 +172491.03 7680.0 C57
2021-03-09 05:24:05 S 11 49 09.953 -13 40 24.82 V C57
2021-03-09 05:24:05 s 1 +155096.69 2 +174030.50 5440.0 C57
2021-03-09 05:34:05 S 11 49 09.646 -13 40 16.75 V C57
2021-03-09 05:34:05 s 1 +154987.39 0 +174797.35 9020.0 C57
2021-03-09 05:44:05 S 11 49 09.113 -13 40 18.05 V C57
2021-03-09 05:44:05 s 1 +154876.38 8 +175562.29 9080.0 C57
2021-03-09 05:54:05 S 11 49 08.599 -13 40 18.91 V C57
2021-03-09 05:54:05 s 1 +154763.69 9 +176325.32 5670.0 C57
2021-03-09 06:14:05 S 11 49 07.217 -13 40 18.41 V C57
2021-03-09 06:14:05 s 1 +154533.30 3 +177845.65 8480.0 C57
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)