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
2003-07-29 02:34:45 C 03 19 06.59 +23 39 23.4 c 196
2003-07-29 02:46:16 C 03 19 08.60 +23 39 49.1 c 196
2003-08-04 01:54:07 C 03 45 05.06 +28 44 24.8 d 170
2003-08-09 00:45:22 C 04 07 42.94 +32 35 12.1 o 120
2003-08-09 00:59:28 C 04 07 45.68 +32 35 38.3 o 120
2003-08-09 01:16:20 C 04 07 48.93 +32 36 09.8 o 120
2003-08-12 02:02:44 C 04 22 09.43 +34 45 46.1 c 204
2003-08-12 02:03:57 C 04 22 09.67 +34 45 48.0 c 204
2003-08-12 02:05:10 C 04 22 09.93 +34 45 50.6 c 204
2003-08-12 02:06:23 C 04 22 10.16 +34 45 52.2 c 204
2003-08-13 02:11:06 C 04 26 59.42 +35 26 39.6 o 120
2003-08-13 02:14:13 C 04 27 00.11 +35 26 44.2 o 120
2003-08-15 01:56:02 C 04 36 39.88 +36 44 20.2 o 620
2003-08-15 01:57:38 C 04 36 40.20 +36 44 22.6 o 620
2003-08-15 01:59:13 C 04 36 40.51 +36 44 25.1 o 620
2003-08-15 02:07:09 C 04 36 42.13 +36 44 37.7 o 620
2003-08-15 02:08:46 C 04 36 42.47 +36 44 40.4 o 620
2003-08-16 02:49:20 C 04 41 45.50 +37 23 07.1 o 620
2003-08-16 02:52:40 C 04 41 46.17 +37 23 12.4 o 620
2003-08-16 02:55:59 C 04 41 46.86 +37 23 17.5 o 620
2003-08-20 10:54:44 C 05 03 25.22 +39 52 13.2 16.1 c 704
2003-08-20 11:12:58 C 05 03 29.03 +39 52 37.7 16.7 c 704
2003-08-20 11:30:37 C 05 03 32.70 +39 53 01.3 16.4 c 704
2003-09-02 09:10:25 C 06 09 48.84 +45 10 23.6 16.1 c 704
2003-09-02 09:28:05 C 06 09 52.55 +45 10 37.2 16.2 c 704
2003-09-02 09:45:48 C 06 09 56.47 +45 10 50.4 16.0 c 704
2003-09-02 10:03:26 C 06 10 00.16 +45 11 01.9 15.9 c 704
2003-09-02 10:21:58 C 06 10 04.09 +45 11 17.4 16.0 c 704
2003-09-23 00:53:02 C 07 49 37.18 +48 05 33.5 o 084
2003-09-23 10:34:07 C 07 51 22.95 +48 06 02.2 c 730
2003-09-23 10:40:49 C 07 51 24.15 +48 06 02.9 c 730
2003-09-23 10:43:54 C 07 51 24.75 +48 06 02.4 c 730
2003-09-23 10:56:03 C 07 51 26.88 +48 06 03.7 c 730
2003-09-23 10:57:43 C 07 51 26.89 +48 06 03.6 c 730
2003-09-24 01:36:29 C 07 54 05.30 +48 06 31.3 o 084
2003-09-25 00:37:00 C 07 58 11.61 +48 06 54.7 o 084
2003-10-07 08:15:05 C 08 45 58.22 +47 40 32.4 c 730
2003-10-07 08:21:53 C 08 45 59.13 +47 40 29.3 c 730
2003-10-07 08:27:24 C 08 46 00.04 +47 40 30.3 c 730
2003-10-07 08:32:49 C 08 46 00.83 +47 40 30.4 c 730
2003-10-07 08:44:14 C 08 46 02.49 +47 40 28.8 c 730
2003-10-15 10:26:36 C 09 12 17.61 +47 03 41.2 16.0 c 704
2003-10-15 10:43:44 C 09 12 19.72 +47 03 38.0 15.9 c 704
2003-10-15 11:00:21 C 09 12 21.77 +47 03 34.9 16.3 c 704
2003-10-15 11:17:07 C 09 12 23.84 +47 03 31.8 16.5 c 704
2003-10-15 11:33:48 C 09 12 25.89 +47 03 28.6 16.4 c 704
2003-10-15 19:17:02 C 09 13 23.76 +47 01 51.2 m 379
2003-10-15 19:20:03 C 09 13 24.12 +47 01 50.8 m 379
2003-10-15 19:26:07 C 09 13 24.92 +47 01 49.5 m 379
2003-10-15 19:29:09 C 09 13 25.35 +47 01 49.1 m 379
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)