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Asteroid 433 Eros

Available Resources

Asteroid 433 Eros Sky Charts and Coordinates

This is a simplified sky chart, showing where Asteroid 433 Eros is now with respect to the brightest stars and constellations.

More advanced sky charts are available on TheSkyLive for this object: 1) the Online Planetarium which is interactive and allows to select dates and additional objects to visualize; and 2) the Live Position and Data Tracker which provides the highest precision position data and features deep sky imagery from the Digitized Sky Survey.

Asteroid 433 Eros in Ophiucus on December, 12 2017
High Precision Live Sky Chart
17h 36m 23s
-27° 27’ 44”
14.65
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Asteroid 433 Eros Rise and Set Times

Today's Asteroid 433 Eros rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the local timezone Europe/London.

Azimuth: 117.5°
Max altitude: 11.1°
Azimuth: 242.5°

Asteroid 433 Eros Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 433 Eros with respect of the Sun and the orbits of the major planets. The position of Asteroid 433 Eros and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Orbit Diagram of Asteroid 433 Eros
View Asteroid 433 Eros in the 3D Solar System Simulator

Asteroid 433 Eros Ephemeris

The following table lists the ephemerides of Asteroid 433 Eros computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 433 Eros in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2017 Dec 05 14.66 17h 16m 19s -27° 28’ 11” Ophiucus
2017 Dec 06 14.66 17h 19m 13s -27° 28’ 44” Ophiucus
2017 Dec 07 14.66 17h 22m 05s -27° 29’ 03” Ophiucus
2017 Dec 08 14.66 17h 24m 57s -27° 29’ 11” Ophiucus
2017 Dec 09 14.66 17h 27m 48s -27° 29’ 07” Ophiucus
2017 Dec 10 14.65 17h 30m 41s -27° 28’ 50” Ophiucus
2017 Dec 11 14.65 17h 33m 32s -27° 28’ 23” Ophiucus
2017 Dec 12 14.65 17h 36m 23s -27° 27’ 44” Ophiucus
2017 Dec 13 14.65 17h 39m 14s -27° 26’ 54” Ophiucus
2017 Dec 14 14.64 17h 42m 05s -27° 25’ 53” Ophiucus
2017 Dec 15 14.64 17h 44m 54s -27° 24’ 39” Sagittarius
2017 Dec 16 14.64 17h 47m 44s -27° 23’ 16” Sagittarius
2017 Dec 17 14.64 17h 50m 35s -27° 21’ 39” Sagittarius
2017 Dec 18 14.64 17h 53m 24s -27° 19’ 53” Sagittarius

Distance of Asteroid 433 Eros from Earth

The following chart shows the distance of Asteroid 433 Eros from Earth as a function of time. Distance data is measured in Astronomical Units and sampled with a 2 days interval.

The reported distances might be inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of 433 Eros is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Asteroid 433 Eros from Earth between January 2013 and December 2075

Light Curve of Asteroid 433 Eros

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 433 Eros, 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.

Predicted magnitude of Asteroid 433 Eros between January 2013 and December 2075

Asteroid 433 Eros Physical Data

The following shows the known values of the most important physical parameters of Asteroid 433 Eros. Source: 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

Asteroid 433 Eros Orbital Elements

The following table lists the orbital elements of Asteroid 433 Eros at epoch 03 September 2017 00:00 UTC (JD: 2458000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.22258897
Orbit inclination i 10.82759100°
Perihelion distance q 1.13341866 AU
169,557,018 km
Aphelion distance Q 1.78246140 AU
266,652,430 km
Semi-major axis a 1.45794003 AU
218,104,724 km
Orbital period period 1.7600 years
642.9955 days
Date of perihelion transit Tp 2017-Apr-29 16:28:24
2,457,873.1864 JD
Next perihelion transit 2019-Feb-01 16:21
2,458,516.1819 JD
Argument of perihelion peri 178.81659108868°
Longitude of the ascending node node 304.32216338984°
Mean anomaly M 71.280278128365°
Mean motion n 0.55987952°/day
Closest approach to Earth* 2056-Jan-24
Distance of closest approach* 0.14979957 AU
22,409,696 km

* NOTE: values for the closest approach are computed for the time interval between 2013-Jan-01 and 2075-Dec-31, with a sampling interval of 1 day.