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
2021-03-26 15:34:04 S 11 23 12.350 -12 59 48.62 V C57
2021-03-26 15:34:04 s 1 -32882.536 0 +376277.79 6850.0 C57
2021-03-26 15:44:04 S 11 23 11.587 -12 59 48.98 V C57
2021-03-26 15:44:04 s 1 -33256.044 0 +376243.19 6520.0 C57
2021-03-26 15:54:04 S 11 23 10.951 -12 59 48.48 V C57
2021-03-26 15:54:04 s 1 -33629.460 0 +376207.58 6040.0 C57
2021-03-26 16:04:04 S 11 23 10.243 -12 59 41.82 V C57
2021-03-26 16:04:04 s 1 -34002.782 0 +376170.95 5420.0 C57
2021-03-26 16:14:04 S 11 23 10.015 -12 59 43.66 V C57
2021-03-26 16:14:04 s 1 -34376.009 0 +376133.30 4650.0 C57
2021-03-26 16:24:04 S 11 23 09.602 -12 59 43.19 V C57
2021-03-26 16:24:04 s 1 -34749.140 0 +376094.63 3730.0 C57
2021-03-26 16:44:04 S 11 23 08.040 -12 59 40.85 V C57
2021-03-26 16:44:04 s 1 -35495.111 0 +376014.24 1430.0 C57
2021-03-26 16:54:04 S 11 23 07.601 -12 59 38.58 V C57
2021-03-26 16:54:04 s 1 -35867.948 0 +375972.52 40.0 C57
2021-03-26 17:04:04 S 11 23 07.106 -12 59 38.47 V C57
2021-03-26 17:04:04 s 1 -36240.686 0 +375929.78 8500.0 C57
2021-03-26 17:14:04 S 11 23 06.362 -12 59 34.44 V C57
2021-03-26 17:14:04 s 1 -36613.322 0 +375886.03 6800.0 C57
2021-03-26 17:34:04 S 11 23 05.266 -12 59 30.34 V C57
2021-03-26 17:34:04 s 1 -37358.288 0 +375795.46 2910.0 C57
2021-03-26 17:44:04 S 11 23 04.531 -12 59 29.98 V C57
2021-03-26 17:44:04 s 1 -37730.615 0 +375748.66 710.0 C57
2021-03-26 17:54:04 S 11 23 03.852 -12 59 29.11 V C57
2021-03-26 17:54:04 s 1 -38102.838 0 +375700.84 8350.0 C57
2021-03-26 18:04:04 S 11 23 03.295 -12 59 28.90 V C57
2021-03-26 18:04:04 s 1 -38474.954 0 +375652.00 5820.0 C57
2021-03-26 18:14:04 S 11 23 02.736 -12 59 25.73 V C57
2021-03-26 18:14:04 s 1 -38846.963 0 +375602.14 3120.0 C57
2021-03-26 18:24:04 S 11 23 02.021 -12 59 26.45 V C57
2021-03-26 18:24:04 s 1 -39218.864 0 +375551.27 240.0 C57
2021-03-26 18:34:04 S 11 23 01.536 -12 59 25.33 V C57
2021-03-26 18:34:04 s 1 -39590.657 0 +375499.38 7180.0 C57
2021-03-26 18:44:04 S 11 23 00.725 -12 59 21.16 V C57
2021-03-26 18:44:04 s 1 -39962.339 0 +375446.47 3950.0 C57
2021-03-26 18:54:04 S 11 23 00.427 -12 59 22.88 V C57
2021-03-26 18:54:04 s 1 -40333.910 0 +375392.55 540.0 C57
2021-03-26 19:04:04 S 11 22 59.633 -12 59 17.92 V C57
2021-03-26 19:04:04 s 1 -40705.369 0 +375337.61 6940.0 C57
2021-03-26 19:14:04 S 11 22 59.141 -12 59 16.66 V C57
2021-03-26 19:14:04 s 1 -41076.714 0 +375281.65 3170.0 C57
2021-03-26 19:24:04 S 11 22 58.368 -12 59 19.43 V C57
2021-03-26 19:24:04 s 1 -41447.946 0 +375224.68 9200.0 C57
2021-03-26 19:44:04 S 11 22 57.386 -12 59 13.42 V C57
2021-03-26 19:44:04 s 1 -42190.062 0 +375107.69 710.0 C57
2021-03-26 19:54:04 S 11 22 56.568 -12 59 09.46 V C57
2021-03-26 19:54:04 s 1 -42560.945 0 +375047.67 6170.0 C57
2021-03-26 20:14:04 S 11 22 55.272 -12 59 11.87 V C57
2021-03-26 20:14:04 s 1 -43302.356 0 +374924.58 6520.0 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)