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
2021-03-17 00:24:04 s 1 -187455.80 9 +236182.51 1770.0 C57
2021-03-17 00:34:05 S 11 37 24.977 -13 31 03.18 V C57
2021-03-17 00:34:05 s 1 -187613.91 3 +235626.50 5590.0 C57
2021-03-17 00:44:04 S 11 37 24.355 -13 30 57.85 V C57
2021-03-17 00:44:04 s 1 -187771.05 8 +235069.27 7600.0 C57
2021-03-17 01:34:04 S 11 37 21.091 -13 30 52.34 V C57
2021-03-17 01:34:04 s 1 -188542.27 5 +232264.74 360.0 C57
2021-03-17 01:44:04 S 11 37 20.414 -13 30 54.94 V C57
2021-03-17 01:44:04 s 1 -188693.58 8 +231700.16 1390.0 C57
2021-03-17 01:54:04 S 11 37 19.606 -13 30 47.52 V C57
2021-03-17 01:54:04 s 1 -188843.91 4 +231134.34 570.0 C57
2021-03-17 02:04:05 S 11 37 19.056 -13 30 50.51 V C57
2021-03-17 02:04:05 s 1 -188993.25 0 +230567.29 7880.0 C57
2021-03-17 02:14:04 S 11 37 18.048 -13 30 47.16 V C57
2021-03-17 02:14:04 s 1 -189141.59 1 +229999.01 3320.0 C57
2021-03-17 02:24:05 S 11 37 17.537 -13 30 51.70 V C57
2021-03-17 02:24:05 s 1 -189288.93 3 +229429.50 6880.0 C57
2021-03-17 02:44:04 S 11 37 16.320 -13 30 46.44 V C57
2021-03-17 02:44:04 s 1 -189580.60 3 +228286.76 8320.0 C57
2021-03-17 02:54:04 S 11 37 15.840 -13 30 44.86 V C57
2021-03-17 02:54:04 s 1 -189724.92 3 +227713.54 6190.0 C57
2021-03-17 03:04:04 S 11 37 14.966 -13 30 43.31 V C57
2021-03-17 03:04:04 s 1 -189868.22 7 +227139.08 2140.0 C57
2021-03-17 03:24:04 S 11 37 13.450 -13 30 43.06 V C57
2021-03-17 03:24:04 s 1 -190151.76 8 +225986.45 8270.0 C57
2021-03-17 03:34:05 S 11 37 12.770 -13 30 45.04 V C57
2021-03-17 03:34:05 s 1 -190291.99 8 +225408.27 8440.0 C57
2021-03-17 03:44:04 S 11 37 12.463 -13 30 42.05 V C57
2021-03-17 03:44:04 s 1 -190431.19 4 +224828.84 6650.0 C57
2021-03-17 03:54:04 S 11 37 11.086 -13 30 38.45 V C57
2021-03-17 03:54:04 s 1 -190569.35 2 +224248.18 2910.0 C57
2021-03-17 04:04:04 S 11 37 10.836 -13 30 39.85 V C57
2021-03-17 04:04:04 s 1 -190706.46 7 +223666.27 7200.0 C57
2021-03-17 05:54:04 S 11 37 03.329 -13 30 27.54 V C57
2021-03-17 05:54:04 s 1 -192144.64 1 +217182.78 2300.0 C57
2021-03-17 06:04:04 S 11 37 02.993 -13 30 27.14 V C57
2021-03-17 06:04:04 s 1 -192268.89 1 +216585.84 2340.0 C57
2021-03-17 06:14:04 S 11 37 02.182 -13 30 26.42 V C57
2021-03-17 06:14:04 s 1 -192392.03 8 +215987.65 290.0 C57
2021-03-17 06:24:04 S 11 37 01.565 -13 30 30.24 V C57
2021-03-17 06:24:04 s 1 -192514.07 8 +215388.19 6160.0 C57
2021-03-17 06:34:05 S 11 37 00.701 -13 30 23.76 V C57
2021-03-17 06:34:05 s 1 -192635.00 5 +214787.48 9930.0 C57
2021-03-17 06:44:04 S 11 37 00.348 -13 30 24.01 V C57
2021-03-17 06:44:04 s 1 -192754.81 5 +214185.50 1590.0 C57
2021-03-17 06:54:04 S 11 36 59.604 -13 30 23.15 V C57
2021-03-17 06:54:04 s 1 -192873.50 2 +213582.25 1140.0 C57
2021-03-17 07:04:04 S 11 36 58.918 -13 30 23.15 V C57
2021-03-17 07:04:04 s 1 -192991.06 3 +212977.74 8550.0 C57
2021-03-17 07:14:04 S 11 36 58.010 -13 30 23.76 V 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)