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
2021-03-12 17:44:05 S 11 44 05.642 -13 37 43.50 V C57
2021-03-12 17:54:05 S 11 44 04.913 -13 37 46.45 V C57
2021-03-12 18:04:05 S 11 44 04.488 -13 37 42.42 V C57
2021-03-12 18:14:05 S 11 44 03.902 -13 37 40.48 V C57
2021-03-12 18:24:05 S 11 44 03.161 -13 37 44.22 V C57
2021-03-12 18:34:05 S 11 44 02.633 -13 37 42.02 V C57
2021-03-12 19:04:05 S 11 44 00.643 -13 37 41.74 V C57
2021-03-12 19:14:05 S 11 44 00.055 -13 37 41.77 V C57
2021-03-12 19:34:05 S 11 43 58.826 -13 37 39.29 V C57
2021-03-12 19:44:05 S 11 43 58.166 -13 37 35.69 V C57
2021-03-12 19:54:05 S 11 43 57.662 -13 37 36.44 V C57
2021-03-12 20:04:05 S 11 43 56.976 -13 37 39.25 V C57
2021-03-12 20:14:05 S 11 43 56.304 -13 37 37.24 V C57
2021-03-12 20:44:05 S 11 43 54.346 -13 37 37.88 V C57
2021-03-12 20:54:05 S 11 43 53.537 -13 37 35.11 V C57
2021-03-12 21:04:05 S 11 43 52.980 -13 37 37.16 V C57
2021-03-12 21:14:05 S 11 43 52.498 -13 37 34.43 V C57
2021-03-12 21:24:05 S 11 43 51.768 -13 37 36.70 V C57
2021-03-12 21:34:05 S 11 43 51.137 -13 37 34.14 V C57
2021-03-12 21:44:05 S 11 43 50.714 -13 37 36.66 V C57
2021-03-12 21:54:05 S 11 43 49.824 -13 37 33.60 V C57
2021-03-12 22:04:05 S 11 43 49.546 -13 37 33.71 V C57
2021-03-12 22:14:05 S 11 43 48.773 -13 37 36.01 V C57
2021-03-12 22:34:05 S 11 43 47.546 -13 37 30.61 V C57
2021-03-12 22:44:05 S 11 43 46.759 -13 37 34.00 V C57
2021-03-12 22:54:05 S 11 43 46.390 -13 37 28.02 V C57
2021-03-12 23:04:05 S 11 43 45.442 -13 37 32.05 V C57
2021-03-12 23:14:05 S 11 43 44.904 -13 37 29.28 V C57
2021-03-12 23:34:05 S 11 43 43.543 -13 37 29.46 V C57
2021-03-12 23:44:05 S 11 43 42.722 -13 37 26.36 V C57
2021-03-12 23:44:05 s 1 -10060.415 0 +376023.10 10.0 C57
2021-03-12 23:54:05 S 11 43 42.283 -13 37 25.50 V C57
2021-03-12 23:54:05 s 1 -10431.554 0 +376076.85 5470.0 C57
2021-03-13 00:04:05 S 11 43 41.827 -13 37 29.06 V C57
2021-03-13 00:04:05 s 1 -10802.674 0 +376129.57 890.0 C57
2021-03-13 00:14:05 S 11 43 41.285 -13 37 27.48 V C57
2021-03-13 00:14:05 s 1 -11173.776 0 +376181.28 6270.0 C57
2021-03-13 00:24:05 S 11 43 40.296 -13 37 26.51 V C57
2021-03-13 00:24:05 s 1 -11544.858 0 +376231.96 1610.0 C57
2021-03-13 00:34:05 S 11 43 39.986 -13 37 25.32 V C57
2021-03-13 00:34:05 s 1 -11915.919 0 +376281.63 6920.0 C57
2021-03-13 00:44:05 S 11 43 39.463 -13 37 21.47 V C57
2021-03-13 00:44:05 s 1 -12286.957 0 +376330.28 2190.0 C57
2021-03-13 00:54:05 S 11 43 38.669 -13 37 26.65 V C57
2021-03-13 00:54:05 s 1 -12657.973 0 +376377.91 7440.0 C57
2021-03-13 01:04:05 S 11 43 37.982 -13 37 22.55 V C57
2021-03-13 01:04:05 s 1 -13028.965 0 +376424.52 2650.0 C57
2021-03-13 01:14:05 S 11 43 37.298 -13 37 19.85 V C57
2021-03-13 01:14:05 s 1 -13399.932 0 +376470.11 7840.0 C57
2021-03-13 01:24:05 S 11 43 36.862 -13 37 22.22 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)