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
2021-03-18 02:14:04 s 1 -197420.17 3 +134731.43 8680.0 C57
2021-03-18 02:34:04 S 11 35 39.720 -13 28 23.38 V C57
2021-03-18 02:34:04 s 1 -197303.60 7 +133213.08 7020.0 C57
2021-03-18 02:44:04 S 11 35 38.981 -13 28 21.79 V C57
2021-03-18 02:44:04 s 1 -197242.30 3 +132451.85 5450.0 C57
2021-03-18 02:54:04 S 11 35 38.424 -13 28 22.73 V C57
2021-03-18 02:54:04 s 1 -197178.96 9 +131689.24 10.0 C57
2021-03-18 03:04:04 S 11 35 37.366 -13 28 18.98 V C57
2021-03-18 03:04:04 s 1 -197113.59 6 +130925.26 690.0 C57
2021-03-18 03:14:04 S 11 35 36.845 -13 28 17.54 V C57
2021-03-18 03:14:04 s 1 -197046.17 0 +130159.91 7470.0 C57
2021-03-18 03:24:04 S 11 35 36.238 -13 28 19.09 V C57
2021-03-18 03:24:04 s 1 -196976.68 1 +129393.18 320.0 C57
2021-03-18 03:34:04 S 11 35 35.520 -13 28 16.86 V C57
2021-03-18 03:34:04 s 1 -196905.11 7 +128625.08 9230.0 C57
2021-03-18 03:44:04 S 11 35 34.980 -13 28 17.83 V C57
2021-03-18 03:44:04 s 1 -196831.46 6 +127855.61 4160.0 C57
2021-03-18 04:14:04 S 11 35 32.880 -13 28 13.87 V C57
2021-03-18 04:14:04 s 1 -196597.87 1 +125538.94 4920.0 C57
2021-03-18 04:24:04 S 11 35 32.189 -13 28 12.07 V C57
2021-03-18 04:24:04 s 1 -196515.75 3 +124763.97 3740.0 C57
2021-03-18 04:34:04 S 11 35 31.250 -13 28 09.91 V C57
2021-03-18 04:34:04 s 1 -196431.48 7 +123987.62 8470.0 C57
2021-03-18 04:44:04 S 11 35 30.780 -13 28 09.59 V C57
2021-03-18 04:44:04 s 1 -196345.06 2 +123209.90 9100.0 C57
2021-03-18 04:54:04 S 11 35 30.132 -13 28 07.97 V C57
2021-03-18 04:54:04 s 1 -196256.46 4 +122430.81 5580.0 C57
2021-03-18 05:04:04 S 11 35 29.611 -13 28 04.12 V C57
2021-03-18 05:04:04 s 1 -196165.68 2 +121650.35 7910.0 C57
2021-03-18 05:14:04 S 11 35 28.843 -13 28 03.58 V C57
2021-03-18 05:14:04 s 1 -196072.70 3 +120868.51 6060.0 C57
2021-03-18 05:24:04 S 11 35 27.950 -13 28 03.54 V C57
2021-03-18 05:24:04 s 1 -195977.51 4 +120085.30 0.0 C57
2021-03-18 05:34:04 S 11 35 27.382 -13 28 06.56 V C57
2021-03-18 05:34:04 s 1 -195880.10 2 +119300.72 9710.0 C57
2021-03-18 05:44:04 S 11 35 26.662 -13 28 05.12 V C57
2021-03-18 05:44:04 s 1 -195780.45 4 +118514.76 5160.0 C57
2021-03-18 07:01:36 C 11 35 15.93 -13 26 43.4 U I41
2021-03-18 08:03:33 C 11 35 11.92 -13 26 36.7 U I41
2021-03-18 12:14:42 C 11 34 55.86 -13 26 08.7 V T08
2021-03-18 12:18:42 C 11 34 55.60 -13 26 08.1 V T08
2021-03-18 12:29:24 C 11 34 54.92 -13 26 06.9 V T08
2021-03-18 12:45:31 C 11 34 53.88 -13 26 05.0 V T08
2021-03-18 23:20:04 C 11 34 14.05 -13 24 54.4 o Z22
2021-03-18 23:40:48 C 11 34 12.74 -13 24 53.6 o Z22
2021-03-19 00:00:57 C 11 34 11.43 -13 24 51.3 o Z22
2021-03-19 07:15:46 C 11 33 43.88 -13 24 02.9 V 703
2021-03-19 07:24:29 C 11 33 43.34 -13 24 02.1 V 703
2021-03-19 07:34:17 C 11 33 42.70 -13 24 01.0 V 703
2021-03-19 07:41:48 C 11 33 42.09 -13 24 00.0 V 703
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)