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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:45 
Transit: 13:02 
Sunset: 21:19
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Dwarf Planets and Asteroids » 

Asteroid 2009 JF1

Above the horizon.  Rise: 5:08 | Tran: 13:40 | Set: 22:12
Alt: 18.70°   Az: 289.10°   Direction: South

Asteroid 2009 JF1 is in the constellation of Gemini, at a distance of 449,169,137.0 kilometers from Earth. The current Right Ascension is 07h 00m 29s and the Declination is +26° 20’ 57” (apparent coordinates). The magnitude of asteroid 2009 JF1 is 32.05.

Finder Charts

The sky charts below show, at different resolutions, the position of asteroid 2009 JF1 in the sky. Click on each chart to access the interactive star map tool.

Star map showing the position of asteroid 2009 JF1 in the constellation of Gemini on F, d Y. Field of view: 50x30 degrees. View interactive star map.
Star map showing the position of asteroid 2009 JF1 in the constellation of Gemini on F, d Y. Field of view: 15x9 degrees. View in interactive star map.

The following map uses photographic imagery from the Digitized Sky Survey (DSS) to realistically visualize the precise position of asteroid 2009 JF1 against the stars in the background. The horizontal size of the map measures 60 arcminutes. Click on the image to access a more detailed full-screen view.

2009 JF1
RA: 06h 58m 54s
Dec: +26° 23’ 09”
Simplified high-resolution deep sky chart showing the current position of asteroid 2009 JF1. Field of view: 60 x 40 arcminutes. Go to the dedicated page

Equatorial Coordinates

Apparent

07h 00m 29s
+26° 20’ 57”
06h 10m 58s
13h 11m 27s

J2000

06h 58m 54s
+26° 23’ 09”

Additional Information

Gemini
32.05

Rise and Set Times

The following table lists today's rise, transit and set times of asteroid 2009 JF1 from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 63.6°
Max altitude: 64.9°
Azimuth: 296.3°

If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.

Distance from Earth

The distance of asteroid 2009 JF1 from Earth is currently 449,169,137.0 kilometers, equivalent to 3.0025102289 Astronomical Units. Light takes 24m 58.267s to travel from asteroid 2009 JF1 and arrive to us.

449,169,137.0
3.0025102289
24m 58.267s

The following graph shows the distance of asteroid 2009 JF1 from Earth as a function of time. In the chart the distance is measured in Astronomical Units and the data is sampled with an interval of 1 day.

Chart of the distance of asteroid 2009 JF1 from Earth in Astronomical Units (au)
Note: The values in this chart may not be entirely accurate around the time of closest approach for objects passing very close to Earth at high speed (e.g., Near-Earth Objects).

The value of the distance of 2009 JF1 from Earth is also available as a real time updated value in the live position tracker.

Closest Approach to Earth

In the period between January 1, 2013 and December 30, 2100, the closest approach of asteroid 2009 JF1 to Earth will happen on Wednesday 26 November 2053 at a distance of 0.067328 Astronomical Units, or 10,072,080 kilometers:

Wednesday 26 November 2053
10,072,080
0.067328

Note: the values for the closest approach are computed with a sampling interval of 1 day.

Light Curve

The following chart shows the light curve of asteroid 2009 JF1, i.e., its apparent magnitude as a function of time. The curve is calculated using the latest ephemerides provided by JPL Horizons. The magnitude data is sampled with the interval of 2 days. Because of this sampling, inaccuracies may occur for objects that have large variations of brightness over a few days. For comets, large discrepancies can arise between the calculated brightness and the observations due to their highly dynamic, and not always precisely predictable, behavior.

Chart of the magnitude of asteroid 2009 JF1 as a function of time

Orbital Elements

The following table lists the orbital elements of asteroid 2009 JF1 at epoch February, 24 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.73843127
Orbit inclination i 6.15506005°
Perihelion distance q 0.49539086 AU
74,109,418 km
Aphelion distance Q 3.29245372 AU
492,544,068 km
Semi-major axis a 1.89392229 AU
283,326,743 km
Orbital period period 2.6065 years
952.0103 days
Date of perihelion transit Tp July 2, 2022
2,459,762.6454 JD
Next perihelion transit February 8, 2025
2,460,714.6557 JD
Argument of perihelion peri 281.4045508725°
Longitude of the ascending node node 45.53386442133°
Mean anomaly M 89.94403755946°
Mean motion n 0.37814716°/day

Orbit Visualization

The following chart is a 3D animated visualization of the orbit of asteroid 2009 JF1 relative to the other major objects in the Solar System. You can access more advanced features using our 3D Solar System Viewer.

15 Days Ephemeris

The following table lists the ephemerides of asteroid 2009 JF1 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
Jun 19 2025 06h 43m 20s +26° 36’ 32” 32.01 Gemini
Jun 20 2025 06h 45m 34s +26° 34’ 53” 32.01 Gemini
Jun 21 2025 06h 47m 48s +26° 33’ 07” 32.02 Gemini
Jun 22 2025 06h 50m 01s +26° 31’ 15” 32.03 Gemini
Jun 23 2025 06h 52m 14s +26° 29’ 17” 32.03 Gemini
Jun 24 2025 06h 54m 26s +26° 27’ 13” 32.04 Gemini
Jun 25 2025 06h 56m 36s +26° 25’ 03” 32.04 Gemini
Jun 26 2025 06h 58m 47s +26° 22’ 48” 32.05 Gemini
Jun 27 2025 07h 00m 56s +26° 20’ 27” 32.05 Gemini
Jun 28 2025 07h 03m 04s +26° 18’ 01” 32.06 Gemini
Jun 29 2025 07h 05m 12s +26° 15’ 30” 32.06 Gemini
Jun 30 2025 07h 07m 19s +26° 12’ 53” 32.06 Gemini
Jul 01 2025 07h 09m 25s +26° 10’ 11” 32.07 Gemini
Jul 02 2025 07h 11m 30s +26° 07’ 24” 32.07 Gemini

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