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
2021-03-23 21:54:04 s 1 +110216.02 8 +307193.71 9090.0 C57
2021-03-23 22:04:04 S 11 27 08.256 -13 08 59.86 V C57
2021-03-23 22:04:04 s 1 +109897.24 3 +307594.07 5840.0 C57
2021-03-23 22:14:04 S 11 27 07.685 -13 08 54.89 V C57
2021-03-23 22:14:04 s 1 +109578.00 6 +307993.16 1640.0 C57
2021-03-23 22:34:04 S 11 27 06.641 -13 08 56.83 V C57
2021-03-23 22:34:04 s 1 +108938.18 6 +308787.53 400.0 C57
2021-03-23 22:44:04 S 11 27 05.914 -13 08 56.18 V C57
2021-03-23 22:44:04 s 1 +108617.60 8 +309182.81 3360.0 C57
2021-03-23 23:04:04 S 11 27 04.738 -13 08 49.49 V C57
2021-03-23 23:04:04 s 1 +107975.12 6 +309969.59 6500.0 C57
2021-03-23 23:14:04 S 11 27 04.164 -13 08 48.70 V C57
2021-03-23 23:14:04 s 1 +107653.22 7 +310361.08 6690.0 C57
2021-03-23 23:44:04 S 11 27 02.429 -13 08 44.34 V C57
2021-03-23 23:44:04 s 1 +106684.92 7 +311527.98 1730.0 C57
2021-03-23 23:54:04 S 11 27 01.889 -13 08 42.00 V C57
2021-03-23 23:54:04 s 1 +106361.30 0 +311914.44 8270.0 C57
2021-03-24 00:04:04 S 11 27 00.850 -13 08 49.02 V C57
2021-03-24 00:04:04 s 1 +106037.24 7 +312299.63 3900.0 C57
2021-03-24 00:24:04 S 11 26 59.863 -13 08 42.86 V C57
2021-03-24 00:24:04 s 1 +105387.87 2 +313066.26 2480.0 C57
2021-03-24 00:54:04 S 11 26 58.298 -13 08 40.70 V C57
2021-03-24 00:54:04 s 1 +104410.66 9 +314206.81 8700.0 C57
2021-03-24 01:04:04 S 11 26 57.574 -13 08 32.96 V C57
2021-03-24 01:04:04 s 1 +104084.10 6 +314584.50 9030.0 C57
2021-03-24 01:14:04 S 11 26 56.983 -13 08 35.12 V C57
2021-03-24 01:14:04 s 1 +103757.13 3 +314960.94 8480.0 C57
2021-03-24 01:24:04 S 11 26 56.306 -13 08 33.14 V C57
2021-03-24 01:24:04 s 1 +103429.75 2 +315336.13 7070.0 C57
2021-03-24 01:44:04 S 11 26 55.421 -13 08 28.10 V C57
2021-03-24 01:44:04 s 1 +102773.77 4 +316082.78 1670.0 C57
2021-03-24 01:54:04 S 11 26 54.511 -13 08 26.30 V C57
2021-03-24 01:54:04 s 1 +102445.18 1 +316454.24 7690.0 C57
2021-03-24 02:04:04 S 11 26 54.252 -13 08 28.57 V C57
2021-03-24 02:04:04 s 1 +102116.18 9 +316824.47 2860.0 C57
2021-03-24 02:14:04 S 11 26 53.441 -13 08 28.32 V C57
2021-03-24 02:14:04 s 1 +101786.80 0 +317193.45 7190.0 C57
2021-03-24 02:24:04 S 11 26 52.855 -13 08 25.98 V C57
2021-03-24 02:24:04 s 1 +101457.01 5 +317561.19 690.0 C57
2021-03-24 02:34:04 S 11 26 52.354 -13 08 24.32 V C57
2021-03-24 02:34:04 s 1 +101126.83 8 +317927.70 3350.0 C57
2021-03-24 02:44:04 S 11 26 51.929 -13 08 18.10 V C57
2021-03-24 02:44:04 s 1 +100796.26 9 +318292.97 5170.0 C57
2021-03-24 02:54:04 S 11 26 51.146 -13 08 20.04 V C57
2021-03-24 02:54:04 s 1 +100465.31 2 +318657.01 6180.0 C57
2021-03-24 03:04:04 S 11 26 50.671 -13 08 23.78 V C57
2021-03-24 03:04:04 s 1 +100133.96 9 +319019.81 6360.0 C57
2021-03-24 03:14:04 S 11 26 49.865 -13 08 16.19 V C57
2021-03-24 03:14:04 s 1 +99802.240 0 +319381.39 5730.0 C57
2021-03-24 03:24:04 S 11 26 49.152 -13 08 15.86 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)