Asteroid 3122 Florence (1981 ET3)
Asteroid 3122 Florence (1981 ET3) is in the constellation of
Perseus,
at a distance of
Finder Charts
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High precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 3122 Florence (1981 ET3) is right now. Click on the image to see a more detailed fullscreen tracker view.


Also check out Where is Asteroid 3122 Florence (1981 ET3)?, a page that provides all the information needed to find Asteroid 3122 Florence (1981 ET3) in the sky and additional links to sky charts.
Celestial Coordinates
Apparent
J2000
Additional Information
Rise and Set Times
Today's rise,
transit and set times of
Asteroid 3122 Florence (1981 ET3) from
Greenwich, UK (all times relative to the local timezone Europe/London):
Today Asteroid 3122 Florence (1981 ET3) is circumpolar and transits at
18:11 UTC
reaching a maximum altitude of 84.1°.
- 3122 Florence (1981 ET3) is
above the horizon from Greenwich, UK.
- Right now it is placed in the East-North-East direction at an altitude of 48.26° above the horizon.
- Given its current magnitude, 3122 Florence (1981 ET3) is visible only through long exposure photography.
- Go to interactive sky chart
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Distance from Earth
- 3122 Florence (1981 ET3) is above the horizon from Greenwich, UK.
- Right now it is placed in the East-North-East direction at an altitude of 48.26° above the horizon.
- Given its current magnitude, 3122 Florence (1981 ET3) is visible only through long exposure photography.
- Go to interactive sky chart
The distance of Asteroid 3122 Florence (1981 ET3) from Earth is currently
The following chart shows the distance of Asteroid 3122 Florence (1981 ET3) from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.
The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of 3122 Florence (1981 ET3) from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest Approach
Between 1 January 2000 and 31 December 2099, the closest approach of Asteroid 3122 Florence (1981 ET3) to Earth happens on Sat Sep 2 2017 at a distance of 0.047399 Astronomical Units, or 7,090,844 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.
Light Curve
The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 3122 Florence (1981 ET3), according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.
Orbital Elements
The following table lists the orbital elements of Asteroid 3122 Florence (1981 ET3) at epoch 16 October 2024 00:00 UTC (JD: 2460600.5). Source: JPL Small-Body Database
Element | Symbol | Value |
---|---|---|
Orbit eccentricity | e | 0.42310672 |
Orbit inclination | i | 22.13906707° |
Perihelion distance | q | 1.02056900 AU 152,674,949 km |
Aphelion distance | Q |
2.51758629 AU 376,625,549 km |
Semi-major axis | a |
1.76907764 AU 264,650,249 km |
Orbital period | period |
2.3530 years 859.4463 days |
Date of perihelion transit | Tp | 2024-Oct-15 09:24:30 2,460,598.8920 JD |
Next perihelion transit | 2027-Feb-21 20:07 2,461,458.3384 JD |
|
Argument of perihelion | peri | 27.901399914009° |
Longitude of the ascending node | node | 336.04944811459° |
Mean anomaly | M | 0.67354214145658° |
Mean motion | n | 0.41887432°/day |
Orbit Visualization
View Asteroid 3122 Florence (1981 ET3) in the 3D Solar System Simulator
15 Days Ephemeris
The following table lists the ephemerides of Asteroid 3122 Florence (1981 ET3) computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.
Date | Right AscensionR.A. | DeclinationDec. | MagnitudeMag | Constellation |
---|---|---|---|---|
2025 Feb 11 | 03h 38m 22s | +47° 21’ 15” | 16.65 | Perseus |
2025 Feb 12 | 03h 42m 18s | +47° 07’ 09” | 16.68 | Perseus |
2025 Feb 13 | 03h 46m 11s | +46° 53’ 01” | 16.71 | Perseus |
2025 Feb 14 | 03h 50m 01s | +46° 38’ 50” | 16.74 | Perseus |
2025 Feb 15 | 03h 53m 48s | +46° 24’ 35” | 16.77 | Perseus |
2025 Feb 16 | 03h 57m 32s | +46° 10’ 19” | 16.79 | Perseus |
2025 Feb 17 | 04h 01m 13s | +45° 56’ 01” | 16.82 | Perseus |
2025 Feb 18 | 04h 04m 52s | +45° 41’ 42” | 16.85 | Perseus |
2025 Feb 19 | 04h 08m 27s | +45° 27’ 22” | 16.88 | Perseus |
2025 Feb 20 | 04h 12m 01s | +45° 13’ 02” | 16.91 | Perseus |
2025 Feb 21 | 04h 15m 32s | +44° 58’ 42” | 16.94 | Perseus |
2025 Feb 22 | 04h 19m 00s | +44° 44’ 23” | 16.97 | Perseus |
2025 Feb 23 | 04h 22m 26s | +44° 30’ 04” | 16.99 | Perseus |
2025 Feb 24 | 04h 25m 49s | +44° 15’ 47” | 17.02 | Perseus |
Additional Resources
- Position and finder charts (see also Where is Asteroid 3122 Florence (1981 ET3)?)
- Distance from Earth (see also How far is Asteroid 3122 Florence (1981 ET3) from Earth?)
- When does Asteroid 3122 Florence (1981 ET3) rise and set?
- Brightness (see also How bright is Asteroid 3122 Florence (1981 ET3)?)
- Orbital elements. Detailed information about Asteroid 3122 Florence (1981 ET3) orbital parameters.
- Interactive orbit visualization. 3d visualization showing the orbit of Asteroid 3122 Florence (1981 ET3) with respect to the major Solar System objects.
- 15 days ephemerides. Table showing celestial coordinates and magnitude of Asteroid 3122 Florence (1981 ET3) for the past and next 7 days.
- Interactive sky chart. An online planetarium application that shows where to locate Asteroid 3122 Florence (1981 ET3) in the sky from your location.
- Live position tracker. A high precision sky chart that uses real deep sky imagery to help locate Asteroid 3122 Florence (1981 ET3) with your telescope or on your astrophotographies.