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Near Earth Objects » 

Asteroid (NEO) 2004 DF2

Below the horizon.  Rise: 7:08 | Tran: 11:18 | Set: 15:29
Alt: -50.89°   Az: 312.66°   Direction: North-West
Please note: this information pertains to a Near-Earth Object (NEO). During close approaches, our current computational model is not able to provide an accurate position, due to the high speeds of these objects. We plan to refine our algorithms to improve accuracy in the future. JPL Horizons can compute precise positions in these situations.

Asteroid (NEO) 2004 DF2 is in the constellation of Capricornus, at a distance of 346,125,328.0 kilometers from Earth. The current Right Ascension is 20h 39m 23s and the Declination is -19° 55’ 51” (apparent coordinates). The magnitude of Asteroid (NEO) 2004 DF2 is 29.28 (data provided by JPL Horizons).

Finder Charts

Map showing Asteroid (NEO) 2004 DF2 in Capricornus on February, 09 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Asteroid (NEO) 2004 DF2 in Capricornus on February, 09 2025. Field of view: 15x9 degrees. View in interactive sky chart

Also check out Where is Asteroid (NEO) 2004 DF2?, a page that provides all the information needed to find Asteroid (NEO) 2004 DF2 in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

20h 39m 23s
-19° 55’ 51”
10h 01m 44s
06h 41m 07s

J2000

20h 37m 57s
-20° 01’ 12”

Additional Information

Capricornus
29.28

Rise and Set Times

Today's rise, transit and set times of Asteroid (NEO) 2004 DF2 from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 110.1°
Max altitude: 18.5°
Azimuth: 250.0°

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 (NEO) 2004 DF2 from Earth is currently 346,125,328.0 kilometers, equivalent to 2.3137049102 Astronomical Units. Light takes 19m 14.550s to travel from Asteroid (NEO) 2004 DF2 and arrive to us.

346,125,328.0
2.3137049102
19m 14.550s

The following chart shows the distance of Asteroid (NEO) 2004 DF2 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.

Chart of the distance of Asteroid (NEO) 2004 DF2 from Earth in Astronomical Units (au)

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth.

Closest Approach

During the next 10 years, the closest approach of Asteroid (NEO) 2004 DF2 to Earth happens on Wed Aug 13 2031 at a distance of 0.008260 Astronomical Units, or 1,235,655 kilometers:

Wed Aug 13 2031
1,235,655
0.008260

Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2004 DF2, 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.

Chart of the magnitude of Asteroid (NEO) 2004 DF2 as a function of time

Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2004 DF2 at epoch 19 February 2004 00:00 UTC (JD: 2453055.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.65300885
Orbit inclination i 5.23256691°
Perihelion distance q 0.57536023 AU
86,072,665 km
Aphelion distance Q 2.74092163 AU
410,036,041 km
Semi-major axis a 1.65814093 AU
248,054,353 km
Orbital period period 2.1352 years
779.8850 days
Date of perihelion transit Tp 2003-Dec-30 14:22:22
2,453,004.0989 JD
Next perihelion transit 2006-Feb-17 11:36
2,453,783.9839 JD
Argument of perihelion peri 89.515974333337°
Longitude of the ascending node node 325.2273692164°
Mean anomaly M 23.727097587198°
Mean motion n 0.46160650°/day

Orbit Visualization

Orbit Diagram of Asteroid (NEO) 2004 DF2
View Asteroid (NEO) 2004 DF2 in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2004 DF2 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 02 20h 15m 34s -21° 30’ 37” 29.40 Capricornus
2025 Feb 03 20h 18m 31s -21° 19’ 37” 29.39 Capricornus
2025 Feb 04 20h 21m 30s -21° 08’ 18” 29.37 Capricornus
2025 Feb 05 20h 24m 30s -20° 56’ 43” 29.36 Capricornus
2025 Feb 06 20h 27m 31s -20° 44’ 51” 29.34 Capricornus
2025 Feb 07 20h 30m 33s -20° 32’ 40” 29.33 Capricornus
2025 Feb 08 20h 33m 35s -20° 20’ 13” 29.31 Capricornus
2025 Feb 09 20h 36m 39s -20° 07’ 27” 29.29 Capricornus
2025 Feb 10 20h 39m 44s -19° 54’ 23” 29.28 Capricornus
2025 Feb 11 20h 42m 51s -19° 41’ 00” 29.26 Capricornus
2025 Feb 12 20h 45m 58s -19° 27’ 17” 29.24 Capricornus
2025 Feb 13 20h 49m 06s -19° 13’ 15” 29.22 Capricornus
2025 Feb 14 20h 52m 16s -18° 58’ 54” 29.20 Capricornus
2025 Feb 15 20h 55m 27s -18° 44’ 13” 29.19 Capricornus

Additional Resources