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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 433 Eros

Above the horizon.  Rise: 0:19 | Tran: 7:14 | Set: 14:06
Alt: 14.94°   Az: 268.15°   Direction: South-West

Asteroid 433 Eros is in the constellation of Pisces, at a distance of 223,425,138.0 kilometers from Earth. The current Right Ascension is 00h 33m 03s and the Declination is +10° 30’ 04” (apparent coordinates). The magnitude of asteroid 433 Eros is 13.37.

Finder Charts

The sky charts below show, at different resolutions, the position of asteroid 433 Eros in the sky. Click on each chart to access the interactive star map tool.

Star map showing the position of asteroid 433 Eros in the constellation of Pisces on F, d Y. Field of view: 50x30 degrees. View interactive star map.
Star map showing the position of asteroid 433 Eros in the constellation of Pisces 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 433 Eros 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.

433 Eros
RA: 00h 31m 44s
Dec: +10° 21’ 38”
Simplified high-resolution deep sky chart showing the current position of asteroid 433 Eros. Field of view: 60 x 40 arcminutes. Go to the dedicated page

Equatorial Coordinates

Apparent

00h 33m 03s
+10° 30’ 04”
05h 16m 37s
05h 49m 41s

J2000

00h 31m 44s
+10° 21’ 38”

Additional Information

Pisces
13.37

Rise and Set Times

The following table lists today's rise, transit and set times of asteroid 433 Eros from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 79.4°
Max altitude: 49.0°
Azimuth: 280.5°

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 433 Eros from Earth is currently 223,425,138.0 kilometers, equivalent to 1.4935048003 Astronomical Units. Light takes 12m 25.266s to travel from asteroid 433 Eros and arrive to us.

223,425,138.0
1.4935048003
12m 25.266s

The following graph shows the distance of asteroid 433 Eros 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 433 Eros 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 433 Eros 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, 1900 and December 31, 2099, the closest approach of asteroid 433 Eros to Earth will happen on Monday 24 January 2056 at a distance of 0.149800 Astronomical Units, or 22,409,694 kilometers:

Monday 24 January 2056
22,409,694
0.149800

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 433 Eros, 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 433 Eros as a function of time

Orbital Elements

The following table lists the orbital elements of asteroid 433 Eros at epoch February, 24 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.22278189
Orbit inclination i 10.82782330°
Perihelion distance q 1.13328437 AU
169,536,929 km
Aphelion distance Q 1.78297390 AU
266,729,100 km
Semi-major axis a 1.45812914 AU
218,133,014 km
Orbital period period 1.7608 years
643.1206 days
Date of perihelion transit Tp August 11, 2022
2,459,802.6017 JD
Next perihelion transit May 15, 2024
2,460,445.7223 JD
Argument of perihelion peri 178.92699517952°
Longitude of the ascending node node 304.28704011911°
Mean anomaly M 110.77765267464°
Mean motion n 0.55977061°/day

Orbit Visualization

The following chart is a 3D animated visualization of the orbit of asteroid 433 Eros relative to the other major objects in the Solar System. You can access more advanced features using our 3D Solar System Viewer.

Physical Properties

The table below lists the known key physical properties of asteroid 433 Eros. The source for this data is the JPL Small-Body Database.

Physical Parameter Value Relative to Earth
Diameter 16.84 km 0.0013
Sideral Rotation 5.2700 hours 0.2202
Absolute Magnitude 11.16
Geometric Albedo 0.25

15 Days Ephemeris

The following table lists the ephemerides of asteroid 433 Eros 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 00h 20m 51s +08° 18’ 11” 13.49 Pisces
Jun 20 2025 00h 22m 30s +08° 35’ 43” 13.47 Pisces
Jun 21 2025 00h 24m 08s +08° 53’ 16” 13.46 Pisces
Jun 22 2025 00h 25m 47s +09° 10’ 52” 13.44 Pisces
Jun 23 2025 00h 27m 25s +09° 28’ 29” 13.43 Pisces
Jun 24 2025 00h 29m 02s +09° 46’ 09” 13.41 Pisces
Jun 25 2025 00h 30m 40s +10° 03’ 50” 13.39 Pisces
Jun 26 2025 00h 32m 16s +10° 21’ 33” 13.38 Pisces
Jun 27 2025 00h 33m 54s +10° 39’ 19” 13.36 Pisces
Jun 28 2025 00h 35m 30s +10° 57’ 07” 13.34 Pisces
Jun 29 2025 00h 37m 06s +11° 14’ 56” 13.33 Pisces
Jun 30 2025 00h 38m 42s +11° 32’ 48” 13.31 Pisces
Jul 01 2025 00h 40m 17s +11° 50’ 42” 13.29 Pisces
Jul 02 2025 00h 41m 52s +12° 08’ 38” 13.27 Pisces

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