Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

Asteroid 2012 TC4

Asteroid 2012 TC4 is currently in the constellation of Capricornus. The current Right Ascension of Asteroid 2012 TC4 is 21h 47m 22s and the Declination is -13° 09’ 05” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid 2012 TC4 is 28.37 (JPL).

Summary of key facts about Asteroid 2012 TC4 [tip: you can also create a Quick Access page for this data if you access it frequently and would like to have a simpler view]:

21h 47m 22s
-13° 09’ 05”

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.

Additional information about Asteroid 2012 TC4 available on TheSkyLive:

Available Resources

Asteroid 2012 TC4 Position and Finder Charts

Below we provide Asteroid 2012 TC4 finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Map showing Asteroid 2012 TC4 in Capricornus on December, 09 2021
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid 2012 TC4 in Capricornus on December, 09 2021
Field of view: 10x6 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]

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 2012 TC4 is right now. Click on the image to see a more detailed fullscreen tracker view.

2012 TC4
RA: 21h 47m 22s
Dec: -13° 09’ 05”
Deep sky finder chart for Asteroid 2012 TC4
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 2012 TC4?, a page that provides all the information needed to find Asteroid 2012 TC4 in the sky and additional links to sky charts.

Asteroid 2012 TC4 Distance from Earth

The distance of Asteroid 2012 TC4 from Earth is currently 107,972,209 kilometers, equivalent to 0.721750 Astronomical Units. Light takes 6 minutes and 0.1565 seconds to travel from Asteroid 2012 TC4 and arrive to us.

6 minutes and 0.1565 seconds

The following chart shows the distance of Asteroid 2012 TC4 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 2012 TC4 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. The value of the distance of 2012 TC4 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Asteroid 2012 TC4 to Earth

Between January 2013 and December 2100, the closest approach of Asteroid 2012 TC4 to Earth happens on Thu Oct 12 2017 at a distance of 0.001009 Astronomical Units, or 150,973 kilometers:

Thu Oct 12 2017

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

Asteroid 2012 TC4 brightness

The current visual magnitude of Asteroid 2012 TC4 is 28.37.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 2012 TC4, 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 2012 TC4 between January 2013 and December 2100

Asteroid 2012 TC4 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 2012 TC4 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.1°
Max altitude: 25.5°
Azimuth: 257.1°

The rise and set times are defined as the time at which the upper limb of Asteroid 2012 TC4 touches the horizon, considering the effect of the atmospheric refraction. As the atmospheric conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Asteroid 2012 TC4 Orbital Elements

The following table lists the orbital elements of Asteroid 2012 TC4 at epoch 20 January 2022 00:00 UTC (JD: 2459600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.40372378
Orbit inclination i 0.53488975°
Perihelion distance q 0.96623006 AU
144,545,960 km
Aphelion distance Q 2.27465070 AU
340,282,902 km
Semi-major axis a 1.62044038 AU
242,414,431 km
Orbital period period 2.0628 years
753.4389 days
Date of perihelion transit Tp 2021-Dec-19 09:41:14
2,459,567.9036 JD
Argument of perihelion peri 26.510287940125°
Longitude of the ascending node node 19.721458965703°
Mean anomaly M 15.574839978161°
Mean motion n 0.47780918°/day

Visualization of Asteroid 2012 TC4 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 2012 TC4 with respect of the Sun and the orbits of the major planets. The position of Asteroid 2012 TC4 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 2012 TC4
View Asteroid 2012 TC4 in the 3D Solar System Simulator

Asteroid 2012 TC4 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 2012 TC4 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 2012 TC4 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2021 Dec 02 21h 19m 08s -15° 33’ 55” 28.42 Capricornus
2021 Dec 03 21h 22m 54s -15° 15’ 25” 28.41 Capricornus
2021 Dec 04 21h 26m 43s -14° 56’ 31” 28.41 Capricornus
2021 Dec 05 21h 30m 32s -14° 37’ 13” 28.40 Capricornus
2021 Dec 06 21h 34m 23s -14° 17’ 29” 28.39 Capricornus
2021 Dec 07 21h 38m 16s -13° 57’ 19” 28.38 Capricornus
2021 Dec 08 21h 42m 11s -13° 36’ 43” 28.38 Capricornus
2021 Dec 09 21h 46m 05s -13° 15’ 43” 28.37 Capricornus
2021 Dec 10 21h 50m 03s -12° 54’ 17” 28.36 Capricornus
2021 Dec 11 21h 54m 02s -12° 32’ 26” 28.35 Capricornus
2021 Dec 12 21h 58m 01s -12° 10’ 09” 28.34 Capricornus
2021 Dec 13 22h 02m 03s -11° 47’ 26” 28.34 Aquarius
2021 Dec 14 22h 06m 06s -11° 24’ 20” 28.33 Aquarius
2021 Dec 15 22h 10m 12s -11° 00’ 47” 28.32 Aquarius