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
2017-09-10 22:34:10 C 19 32 47.07 +56 38 32.4 U Z80
2017-09-10 22:36:53 C 19 32 46.10 +56 38 48.8 U Z80
2017-09-10 22:39:36 C 19 32 45.02 +56 39 04.8 U Z80
2017-09-10 22:42:18 C 19 32 44.04 +56 39 21.0 U Z80
2017-09-10 22:58:03 C 19 32 35.08 +56 40 42.9 t 073
2017-09-10 23:58:12 C 19 32 13.49 +56 46 32.9 t 073
2017-09-11 02:04:11 C 19 31 39.37 +56 59 59.5 P V78
2017-09-11 02:08:51 C 19 31 37.55 +57 00 27.4 P V78
2017-09-11 02:12:35 C 19 31 36.14 +57 00 49.8 P V78
2017-09-11 03:27:26 C 19 31 07.34 +57 08 12.3 P V78
2017-09-11 03:30:10 C 19 31 06.31 +57 08 28.4 P V78
2017-09-11 03:32:21 C 19 31 05.48 +57 08 40.8 P V78
2017-09-11 04:18:03 C 19 30 50.31 +57 13 20.0 11.0 r 718
2017-09-11 04:21:12 C 19 30 49.08 +57 13 38.4 11.0 r 718
2017-09-11 04:24:22 C 19 30 47.88 +57 13 56.5 11.0 r 718
2017-09-11 04:27:30 C 19 30 46.67 +57 14 14.7 11.0 r 718
2017-09-11 04:30:38 C 19 30 45.45 +57 14 33.1 11.0 r 718
2017-09-11 19:30:17 C 19 25 38.10 +58 37 57.3 q K74
2017-09-11 19:31:56 C 19 25 37.49 +58 38 06.1 q K74
2017-09-11 19:36:07 C 19 25 35.93 +58 38 28.2 q K74
2017-09-11 19:40:15 C 19 25 33.95 +58 38 48.1 U G34
2017-09-11 19:44:26 C 19 25 32.39 +58 39 10.0 U G34
2017-09-11 19:48:00 C 19 25 29.05 +58 39 35.4 t 073
2017-09-11 19:48:36 C 19 25 30.83 +58 39 31.9 U G34
2017-09-11 19:52:46 C 19 25 29.28 +58 39 53.8 U G34
2017-09-11 20:48:31 C 19 25 06.49 +58 44 46.8 t 073
2017-09-11 21:50:20 C 19 24 47.38 +58 50 05.9 U Z80
2017-09-11 21:53:49 C 19 24 42.57 +58 50 17.2 t 073
2017-09-11 22:00:49 C 19 24 43.52 +58 50 59.4 U Z80
2017-09-11 22:11:45 C 19 24 39.49 +58 51 55.1 U Z80
2017-09-11 22:22:41 C 19 24 35.47 +58 52 50.7 U Z80
2017-09-11 22:35:26 C 19 24 30.81 +58 53 55.3 U Z80
2017-09-11 22:50:00 C 19 24 25.52 +58 55 08.9 U Z80
2017-09-11 22:50:19 C 19 24 22.36 +58 54 58.6 t 073
2017-09-11 23:00:57 C 19 24 21.55 +58 56 04.0 U Z80
2017-09-11 23:11:53 C 19 24 17.58 +58 56 58.8 U Z80
2017-09-11 23:22:49 C 19 24 13.62 +58 57 53.5 U Z80
2017-09-11 23:33:48 C 19 24 09.68 +58 58 48.4 U Z80
2017-09-11 23:50:12 C 19 24 03.16 +59 00 50.9 U Z21
2017-09-11 23:50:28 C 19 24 03.07 +59 00 52.2 U Z21
2017-09-11 23:50:45 C 19 24 02.96 +59 00 53.5 U Z21
2017-09-11 23:51:02 C 19 24 02.86 +59 00 55.0 U Z21
2017-09-11 23:51:19 C 19 24 02.72 +59 00 56.5 U Z21
2017-09-11 23:51:37 C 19 24 02.64 +59 00 57.9 U Z21
2017-09-11 23:51:54 C 19 24 02.55 +59 00 59.3 U Z21
2017-09-11 23:52:11 C 19 24 02.42 +59 01 00.7 U Z21
2017-09-11 23:52:29 C 19 24 02.31 +59 01 02.2 U Z21
2017-09-11 23:52:47 C 19 24 02.20 +59 01 03.6 U Z21
2017-09-11 23:56:00 C 19 24 01.75 +59 00 38.8 U Z80
2017-09-12 00:07:14 C 19 23 57.75 +59 01 34.5 U Z80
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)