Asteroid 14 Irene
Asteroid 14 Irene is in the constellation of
Taurus,
at a distance of
View interactive star map
Asteroid 14 Irene is a relatively large asteroid with a diameter of approximately 147 kilometers. It was discovered on May 19, 1851, by John Russell Hind, an English astronomer. The asteroid was named after the Greek goddess of peace, Irene, who was one of the Horae, the goddesses of the seasons and the natural order. Irene orbits the Sun in the main asteroid belt between Mars and Jupiter, with a semi-major axis of approximately 2.65 astronomical units (AU) and an orbital period of about 4.31 years. The asteroid is classified as a C-type asteroid, indicating that its surface is likely composed of carbonaceous materials. Astronomers have detected a small moon orbiting Irene, which has a diameter of about 4.4 kilometers and orbits at a distance of approximately 800 kilometers from the asteroid's center.
Celestial Coordinates
Apparent
J2000
Additional Information
Rise and Set Times
Today's rise, transit and set times of Asteroid 14 Irene from Greenwich, UK (all times relative to the local timezone Europe/London):
- 14 Irene is above the horizon from Greenwich, UK.
- Right now it is placed in the East-North-East direction at an altitude of 0.64° above the horizon.
- Given its current magnitude, 14 Irene is visible with the help of a telescope having an aperture of 4 inches (100mm) or more.
- Go to interactive sky chart
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.
Finder Charts
High precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 14 Irene is right now. Click on the image to see a more detailed fullscreen tracker view.
![](https://cdn.statically.io/img/theskylive.com/objects/irene/sky/sky_1280.jpg?c=1722213205)
![](https://cdn.statically.io/img/storage.googleapis.com/theskylive-static/website/images/marker.png)
Also check out Where is Asteroid 14 Irene?, a page that provides all the information needed to find Asteroid 14 Irene in the sky and additional links to sky charts.
Distance from Earth
The distance of Asteroid 14 Irene from Earth is currently
The following chart shows the distance of Asteroid 14 Irene 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 14 Irene from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest Approach
Between 1 January 1900 and 31 December 2099, the closest approach of Asteroid 14 Irene to Earth happens on Fri Apr 2 2088 at a distance of 1.175276 Astronomical Units, or 175,818,790 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 14 Irene, 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 14 Irene at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database
Element | Symbol | Value |
---|---|---|
Orbit eccentricity | e | 0.16550418 |
Orbit inclination | i | 9.11989129° |
Perihelion distance | q | 2.15827822 AU 322,873,826 km |
Aphelion distance | Q |
3.01437372 AU 450,943,891 km |
Semi-major axis | a |
2.58632597 AU 386,908,859 km |
Orbital period | period |
4.1594 years 1,519.2293 days |
Date of perihelion transit | Tp | 2021-Jul-27 14:01:27 2,459,423.0843 JD |
Next perihelion transit | 2025-Sep-23 19:31 2,460,942.3136 JD |
|
Argument of perihelion | peri | 97.766497947623° |
Longitude of the ascending node | node | 86.107836280173° |
Mean anomaly | M | 136.82571910106° |
Mean motion | n | 0.23696226°/day |
Orbit Visualization
View Asteroid 14 Irene in the 3D Solar System Simulator
Physical Data
The following shows the known values of the most important physical parameters of Asteroid 14 Irene. Source: JPL Small-Body Database
Physical Parameter | Value | Relative to Earth |
---|---|---|
Diameter | 152 km | 0.0119 |
Sideral Rotation | 15.0280 hours | 0.6279 |
Absolute Magnitude | 6.3 | |
Geometric Albedo | 0.159 |
15 Days Ephemeris
The following table lists the ephemerides of Asteroid 14 Irene 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 |
---|---|---|---|---|
2024 Jul 22 | 05h 14m 04s | +20° 22’ 16” | 12.21 | Taurus |
2024 Jul 23 | 05h 15m 41s | +20° 25’ 09” | 12.21 | Taurus |
2024 Jul 24 | 05h 17m 17s | +20° 27’ 57” | 12.21 | Taurus |
2024 Jul 25 | 05h 18m 53s | +20° 30’ 42” | 12.21 | Taurus |
2024 Jul 26 | 05h 20m 29s | +20° 33’ 23” | 12.21 | Taurus |
2024 Jul 27 | 05h 22m 05s | +20° 36’ 01” | 12.20 | Taurus |
2024 Jul 28 | 05h 23m 41s | +20° 38’ 36” | 12.20 | Taurus |
2024 Jul 29 | 05h 25m 17s | +20° 41’ 05” | 12.20 | Taurus |
2024 Jul 30 | 05h 26m 52s | +20° 43’ 33” | 12.20 | Taurus |
2024 Jul 31 | 05h 28m 27s | +20° 45’ 55” | 12.19 | Taurus |
2024 Aug 01 | 05h 30m 04s | +20° 48’ 16” | 12.19 | Taurus |
2024 Aug 02 | 05h 31m 39s | +20° 50’ 32” | 12.19 | Taurus |
2024 Aug 03 | 05h 33m 13s | +20° 52’ 45” | 12.18 | Taurus |
2024 Aug 04 | 05h 34m 48s | +20° 54’ 55” | 12.18 | Taurus |
Additional Resources
- Position and finder charts (see also Where is Asteroid 14 Irene?)
- Distance from Earth (see also How far is Asteroid 14 Irene from Earth?)
- When does Asteroid 14 Irene rise and set?
- Brightness (see also How bright is Asteroid 14 Irene?)
- Orbital elements. Detailed information about Asteroid 14 Irene orbital parameters.
- Interactive orbit visualization. 3d visualization showing the orbit of Asteroid 14 Irene with respect to the major Solar System objects.
- Physical data. Detailed information about physical properties of Asteroid 14 Irene, such as mass and geometric properties.
- 15 days ephemerides. Table showing celestial coordinates and magnitude of Asteroid 14 Irene for the past and next 7 days.
- Interactive sky chart. An online planetarium application that shows where to locate Asteroid 14 Irene in the sky from your location.
- Live position tracker. A high precision sky chart that uses real deep sky imagery to help locate Asteroid 14 Irene with your telescope or on your astrophotographies.