Asteroid 162173 Ryugu (1999 JU3)
Asteroid 162173 Ryugu (1999 JU3) Position
Asteroid 162173 Ryugu (1999 JU3) is currently in the constellation of Gemini. The current Right Ascension is 07h 19m 38s and the Declination is +22° 19’ 20”.
Simplified sky chart showing where Asteroid 162173 Ryugu (1999 JU3) is right now in the sky with respect to the brightest stars and constellations (see fuillscreen Online Planetarium)
Field of view: 60x30 degrees
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Hihgher precision deep sky finder chart showing where Asteroid 162173 Ryugu (1999 JU3) is right now (view fullscreen)
Field of view: 60x40 arcmins
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Also check out Where is Asteroid 162173 Ryugu (1999 JU3)?, a page that provides all the information needed to find Asteroid 162173 Ryugu (1999 JU3) in the sky and additional links to sky charts.
Asteroid 162173 Ryugu (1999 JU3) Distance
The distance of Asteroid 162173 Ryugu (1999 JU3) from Earth is currently 234,397,076 kilometers, equivalent to 1.566848 Astronomical Units. Light takes 13 minutes and 1.8645 seconds to travel from Asteroid 162173 Ryugu (1999 JU3) and arrive to us.
The following chart shows the distance of Asteroid 162173 Ryugu (1999 JU3) 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 162173 Ryugu (1999 JU3) from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Asteroid 162173 Ryugu (1999 JU3) to Earth
Between January 2013 and December 2100 the closest approach of Asteroid 162173 Ryugu (1999 JU3) to Earth happens on Sun Dec 6 2076 at a distance of 0.01045950 Astronomical Units, or 1,564,719 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.
Asteroid 162173 Ryugu (1999 JU3) brightness
The current visual magnitude of Asteroid 162173 Ryugu (1999 JU3) is 21.81.
The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 162173 Ryugu (1999 JU3), 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.
Asteroid 162173 Ryugu (1999 JU3) rise and set times
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's Asteroid 162173 Ryugu (1999 JU3) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
The rise and set times are defined as the time at which the upper limb of Asteroid 162173 Ryugu (1999 JU3) touches the horizon, consideting the effect of the atmospheric refraction. As the atmoshpere conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.
Asteroid 162173 Ryugu (1999 JU3) Orbital Elements
The following table lists the orbital elements of Asteroid 162173 Ryugu (1999 JU3) at epoch 11 December 2011 00:00 UTC (JD: 2455907.5). Source: JPL Small-Body Database
| Element | Symbol | Value |
|---|---|---|
| Orbit eccentricity | e | 0.19022575 |
| Orbit inclination | i | 5.88374239° |
| Perihelion distance | q | 0.96330811 AU 144,108,842 km |
| Aphelion distance | Q |
1.41589353 AU 211,814,658 km |
| Semi-major axis | a |
1.18960082 AU 177,961,750 km |
| Orbital period | period |
1.3000 years 473.9148 days |
| Date of perihelion transit | Tp | 2011-Dec-06 18:09:07 2,455,902.2563 JD |
| Next perihelion transit | 2013-Mar-24 16:06 2,456,376.1712 JD |
|
| Argument of perihelion | peri | 211.42584970315° |
| Longitude of the ascending node | node | 251.61971097785° |
| Mean anomaly | M | 3.9832447394972° |
| Mean motion | n | 0.75963014°/day |
Visualization of Asteroid 162173 Ryugu (1999 JU3) Orbit
This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 162173 Ryugu (1999 JU3) with respect of the Sun and the orbits of the major planets. The position of Asteroid 162173 Ryugu (1999 JU3) 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!
View Asteroid 162173 Ryugu (1999 JU3) in the 3D Solar System Simulator
Asteroid 162173 Ryugu (1999 JU3) 15 Days Ephemeris
The following table lists the ephemerides of Asteroid 162173 Ryugu (1999 JU3) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 162173 Ryugu (1999 JU3) in our Online Planetarium at the chosen date.
| Date | Right AscensionR.A. | DeclinationDec. | MagnitudeMag | Constellation |
|---|---|---|---|---|
| 2019 Aug 12 | 06h 44m 11s | +23° 44’ 36” | 21.85 | Gemini |
| 2019 Aug 13 | 06h 48m 42s | +23° 35’ 30” | 21.84 | Gemini |
| 2019 Aug 14 | 06h 53m 12s | +23° 25’ 54” | 21.84 | Gemini |
| 2019 Aug 15 | 06h 57m 42s | +23° 15’ 47” | 21.83 | Gemini |
| 2019 Aug 16 | 07h 02m 12s | +23° 05’ 12” | 21.83 | Gemini |
| 2019 Aug 17 | 07h 06m 41s | +22° 54’ 06” | 21.82 | Gemini |
| 2019 Aug 18 | 07h 11m 09s | +22° 42’ 33” | 21.82 | Gemini |
| 2019 Aug 19 | 07h 15m 38s | +22° 30’ 30” | 21.81 | Gemini |
| 2019 Aug 20 | 07h 20m 05s | +22° 18’ 01” | 21.81 | Gemini |
| 2019 Aug 21 | 07h 24m 33s | +22° 05’ 02” | 21.80 | Gemini |
| 2019 Aug 22 | 07h 28m 59s | +21° 51’ 35” | 21.80 | Gemini |
| 2019 Aug 23 | 07h 33m 25s | +21° 37’ 42” | 21.79 | Gemini |
| 2019 Aug 24 | 07h 37m 50s | +21° 23’ 22” | 21.79 | Gemini |
| 2019 Aug 25 | 07h 42m 15s | +21° 08’ 36” | 21.78 | Gemini |