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Asteroid (NEO) 2017 SE12

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Asteroid (NEO) 2017 SE12 Position

Asteroid (NEO) 2017 SE12 is currently in the constellation of Sagittarius. The current Right Ascension is 18h 49m 10s and the Declination is -21° 43’ 03”.

18h 49m 10s
-21° 43’ 03”

Simplified sky chart showing where Asteroid (NEO) 2017 SE12 is right now in the sky with respect to the brightest stars and constellations (see fuillscreen Online Planetarium)

Map showing Asteroid (NEO) 2017 SE12 in Sagittarius on December, 13 2019
Field of view: 60x30 degrees
View fullscreen
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Also check out Where is Asteroid (NEO) 2017 SE12?, a page that provides all the information needed to find Asteroid (NEO) 2017 SE12 in the sky and additional links to sky charts.

Asteroid (NEO) 2017 SE12 Distance

The distance of Asteroid (NEO) 2017 SE12 from Earth is currently 256,470,441 kilometers, equivalent to 1.714399 Astronomical Units. Light takes 14 minutes and 15.4933 seconds to travel from Asteroid (NEO) 2017 SE12 and arrive to us.

14 minutes and 15.4933 seconds

The following chart shows the distance of Asteroid (NEO) 2017 SE12 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.

Distance of Asteroid (NEO) 2017 SE12 from Earth between January 2013 and December 2100

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 of Asteroid (NEO) 2017 SE12 to Earth

Between January 2013 and December 2100 the closest approach of Asteroid (NEO) 2017 SE12 to Earth happens on Wed Sep 18 2058 at a distance of 0.00708282 Astronomical Units, or 1,059,574 kilometers:

Wed Sep 18 2058

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

Asteroid (NEO) 2017 SE12 brightness

The current visual magnitude of Asteroid (NEO) 2017 SE12 is 28.84.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2017 SE12, 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 (NEO) 2017 SE12 between January 2013 and December 2100

Asteroid (NEO) 2017 SE12 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 (NEO) 2017 SE12 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 111.8°
Max altitude: 16.8°
Azimuth: 248.3°
Asteroid (NEO) 2017 SE12 is below the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2017 SE12 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 (NEO) 2017 SE12 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2017 SE12 at epoch 26 April 2019 00:00 UTC (JD: 2458600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.25653537
Orbit inclination i 2.91984671°
Perihelion distance q 0.82869852 AU
123,971,534 km
Aphelion distance Q 1.40058984 AU
209,525,258 km
Semi-major axis a 1.11464418 AU
166,748,396 km
Orbital period period 1.1800 years
429.8360 days
Date of perihelion transit Tp 2019-Nov-20 03:56:59
2,458,807.6646 JD
Next perihelion transit 2021-Jan-23 00:00
2,459,237.5006 JD
Argument of perihelion peri 88.360436827064°
Longitude of the ascending node node 182.07018923774°
Mean anomaly M 186.49372088812°
Mean motion n 0.83752869°/day

Visualization of Asteroid (NEO) 2017 SE12 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2017 SE12 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2017 SE12 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 (NEO) 2017 SE12
View Asteroid (NEO) 2017 SE12 in the 3D Solar System Simulator

Asteroid (NEO) 2017 SE12 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2017 SE12 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2017 SE12 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2019 Dec 06 18h 07m 15s -22° 05’ 35” 28.76 Sagittarius
2019 Dec 07 18h 12m 32s -22° 04’ 55” 28.76 Sagittarius
2019 Dec 08 18h 17m 48s -22° 03’ 38” 28.77 Sagittarius
2019 Dec 09 18h 23m 03s -22° 01’ 45” 28.78 Sagittarius
2019 Dec 10 18h 28m 18s -21° 59’ 12” 28.79 Sagittarius
2019 Dec 11 18h 33m 33s -21° 56’ 04” 28.80 Sagittarius
2019 Dec 12 18h 38m 45s -21° 52’ 19” 28.82 Sagittarius
2019 Dec 13 18h 43m 59s -21° 48’ 00” 28.83 Sagittarius
2019 Dec 14 18h 49m 10s -21° 43’ 03” 28.84 Sagittarius
2019 Dec 15 18h 54m 23s -21° 37’ 31” 28.85 Sagittarius
2019 Dec 16 18h 59m 32s -21° 31’ 23” 28.86 Sagittarius
2019 Dec 17 19h 04m 41s -21° 24’ 42” 28.87 Sagittarius
2019 Dec 18 19h 09m 51s -21° 17’ 26” 28.88 Sagittarius
2019 Dec 19 19h 14m 57s -21° 09’ 36” 28.89 Sagittarius