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
2021-03-11 19:44:05 S 11 45 27.655 -13 38 36.92 V C57
2021-03-11 19:44:05 s 1 +51713.180 0 +352125.09 3930.0 C57
2021-03-11 19:54:05 S 11 45 27.175 -13 38 37.68 V C57
2021-03-11 19:54:05 s 1 +51354.112 0 +352357.63 7700.0 C57
2021-03-11 20:04:05 S 11 45 26.417 -13 38 37.57 V C57
2021-03-11 20:04:05 s 1 +50994.872 0 +352589.05 1030.0 C57
2021-03-11 20:14:05 S 11 45 25.898 -13 38 36.28 V C57
2021-03-11 20:14:05 s 1 +50635.463 0 +352819.35 3930.0 C57
2021-03-11 20:24:05 S 11 45 25.150 -13 38 36.06 V C57
2021-03-11 20:24:05 s 1 +50275.885 0 +353048.53 6400.0 C57
2021-03-11 20:34:05 S 11 45 24.456 -13 38 34.98 V C57
2021-03-11 20:34:05 s 1 +49916.139 0 +353276.58 8450.0 C57
2021-03-11 20:44:05 S 11 45 23.820 -13 38 34.87 V C57
2021-03-11 20:44:05 s 1 +49556.228 0 +353503.52 70.0 C57
2021-03-11 20:54:05 S 11 45 23.302 -13 38 38.47 V C57
2021-03-11 20:54:05 s 1 +49196.152 0 +353729.34 1270.0 C57
2021-03-11 21:04:05 S 11 45 22.843 -13 38 34.40 V C57
2021-03-11 21:04:05 s 1 +48835.913 0 +353954.05 2060.0 C57
2021-03-11 21:14:05 S 11 45 21.833 -13 38 33.40 V C57
2021-03-11 21:14:05 s 1 +48475.513 0 +354177.63 2430.0 C57
2021-03-11 21:24:05 S 11 45 21.816 -13 38 33.40 V C57
2021-03-11 21:24:05 s 1 +48114.951 0 +354400.10 2390.0 C57
2021-03-11 21:44:05 S 11 45 20.263 -13 38 35.20 V C57
2021-03-11 21:44:05 s 1 +47393.353 0 +354841.70 1080.0 C57
2021-03-11 22:04:05 S 11 45 19.255 -13 38 32.28 V C57
2021-03-11 22:04:05 s 1 +46671.128 0 +355278.85 8160.0 C57
2021-03-11 22:24:05 S 11 45 17.736 -13 38 33.18 V C57
2021-03-11 22:24:05 s 1 +45948.288 0 +355711.55 3640.0 C57
2021-03-11 22:34:05 S 11 45 17.227 -13 38 29.90 V C57
2021-03-11 22:34:05 s 1 +45586.641 0 +355926.24 790.0 C57
2021-03-11 22:44:05 S 11 45 16.510 -13 38 31.27 V C57
2021-03-11 22:44:05 s 1 +45224.843 0 +356139.81 7550.0 C57
2021-03-11 22:54:05 S 11 45 16.015 -13 38 33.86 V C57
2021-03-11 22:54:05 s 1 +44862.897 0 +356352.28 3930.0 C57
2021-03-11 23:34:05 S 11 45 13.450 -13 38 28.07 V C57
2021-03-11 23:34:05 s 1 +43413.652 0 +357191.10 5600.0 C57
2021-03-11 23:44:05 S 11 45 12.883 -13 38 30.05 V C57
2021-03-11 23:44:05 s 1 +43050.982 0 +357398.04 80.0 C57
2021-03-11 23:54:05 S 11 45 12.283 -13 38 29.65 V C57
2021-03-11 23:54:05 s 1 +42688.172 0 +357603.88 4180.0 C57
2021-03-12 00:04:05 S 11 45 11.784 -13 38 27.17 V C57
2021-03-12 00:04:05 s 1 +42325.221 0 +357808.61 7920.0 C57
2021-03-12 00:14:05 S 11 45 10.970 -13 38 28.79 V C57
2021-03-12 00:14:05 s 1 +41962.133 0 +358012.25 1290.0 C57
2021-03-12 00:34:05 S 11 45 09.677 -13 38 26.09 V C57
2021-03-12 00:34:05 s 1 +41235.545 0 +358416.22 6940.0 C57
2021-03-12 00:44:05 S 11 45 08.822 -13 38 24.54 V C57
2021-03-12 00:44:05 s 1 +40872.049 0 +358616.56 9230.0 C57
2021-03-12 00:54:05 S 11 45 08.429 -13 38 26.59 V C57
2021-03-12 00:54:05 s 1 +40508.419 0 +358815.79 1160.0 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)