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
2017-05-09 03:31:43 C 20 25 43.60 -57 29 42.2 q Y00
2017-05-09 03:45:10 C 20 25 45.24 -57 29 48.0 q Y00
2017-05-31 03:29:28 C 21 32 50.67 -61 02 05.9 q Y00
2017-05-31 03:49:07 C 21 32 53.14 -61 02 14.1 q Y00
2017-05-31 04:00:56 C 21 32 54.63 -61 02 19.0 q Y00
2017-05-31 05:58:10 C 21 33 09.35 -61 03 02.1 o W92
2017-05-31 06:13:37 C 21 33 11.26 -61 03 08.3 o W92
2017-05-31 06:34:12 C 21 33 13.83 -61 03 16.8 o W92
2017-06-22 12:29:36 C 22 39 17.11 -64 12 22.6 v Q62
2017-06-22 12:56:04 C 22 39 20.03 -64 12 32.3 v Q62
2017-06-22 13:02:09 C 22 39 20.81 -64 12 34.9 v Q62
2017-07-03 07:52:00 C 23 07 10.54 -65 28 34.8 o W92
2017-07-03 08:07:27 C 23 07 11.89 -65 28 39.1 o W92
2017-07-03 08:19:07 C 23 07 12.88 -65 28 42.2 o W92
2017-07-24 15:04:47 C 23 40 54.68 -66 55 10.1 q Q62
2017-07-31 16:36:54 C 23 40 29.46 -66 43 42.1 Z 323
2017-07-31 16:47:18 C 23 40 28.99 -66 43 40.9 Z 323
2017-07-31 16:54:58 C 23 40 28.68 -66 43 40.0 Z 323
2017-08-10 06:04:14 C 23 24 07.70 -64 56 26.6 q Y00
2017-08-10 06:20:31 C 23 24 05.24 -64 56 11.5 q Y00
2017-08-10 06:45:57 C 23 24 01.43 -64 55 47.6 q Y00
2017-08-15 13:02:39 C 23 04 34.46 -62 12 00.5 t Q65
2017-08-15 13:11:30 C 23 04 32.51 -62 11 45.6 t Q65
2017-08-15 13:20:14 C 23 04 30.58 -62 11 30.3 t Q65
2017-08-15 13:29:09 C 23 04 28.64 -62 11 14.6 t Q65
2017-08-16 09:10:31 C 23 00 25.89 -61 32 39.9 U W89
2017-08-16 09:11:01 C 23 00 25.78 -61 32 38.9 U W89
2017-08-16 09:11:30 C 23 00 25.66 -61 32 37.8 U W89
2017-08-16 09:11:58 C 23 00 25.56 -61 32 36.6 U W89
2017-08-16 09:12:27 C 23 00 25.44 -61 32 35.7 U W89
2017-08-16 09:12:57 C 23 00 25.33 -61 32 34.6 U W89
2017-08-16 09:13:25 C 23 00 25.22 -61 32 33.5 U W89
2017-08-16 09:13:55 C 23 00 25.11 -61 32 32.5 U W89
2017-08-16 09:14:23 C 23 00 25.00 -61 32 31.5 U W89
2017-08-23 10:47:23 C 22 17 02.22 -50 53 06.7 10.6 q Q62
2017-08-23 10:48:12 C 22 17 01.95 -50 53 01.7 10.6 q Q62
2017-08-23 10:49:54 C 22 17 01.34 -50 52 51.2 10.6 q Q62
2017-08-23 10:51:30 C 22 17 00.80 -50 52 40.9 10.6 q Q62
2017-08-24 11:06:28 C 22 09 19.02 -48 02 58.5 o Q62
2017-08-24 11:39:59 C 22 09 07.12 -47 58 48.4 o Q62
2017-08-24 11:49:17 C 22 09 03.76 -47 57 38.6 o Q62
2017-08-26 06:32:55 C 21 54 29.02 -41 30 05.5 r Y00
2017-08-26 06:34:24 C 21 54 28.48 -41 29 49.0 r Y00
2017-08-26 06:36:22 C 21 54 27.75 -41 29 27.8 r Y00
2017-08-28 05:33:40 C 21 37 51.35 -31 35 36.2 P V78
2017-08-28 05:35:00 C 21 37 50.80 -31 35 16.2 P V78
2017-08-28 05:36:16 C 21 37 50.27 -31 34 57.0 P V78
2017-08-28 05:37:52 C 21 37 49.66 -31 34 33.0 P V78
2017-08-28 05:40:23 C 21 37 48.64 -31 33 55.7 P V78
2017-08-28 05:43:02 C 21 37 47.59 -31 33 15.5 P V78
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)