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Trans-Neptunian object

2014 UY229

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(2014 UY229)

2014 UY229 is a trans-Neptunian object in the Trans-Neptunian object orbit class. Its orbit takes it from 37.6 AU to 57.96 AU from the Sun; one orbit takes 330.3 years. Orbit from the JPL solution of 15 April 2021.

Where is it now

Distance from Sun
55.087 AU
True anomaly
216.16°
Distance from Earth
54.094 AU
As of
25 October 2026

Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.

Sun Earth — 0.994 AU from the Sun Earth 2014 UY229 — 55.087 AU from the Sun 2014 UY229
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2014 UY229 is 54.094 AU from Earth today (7.5 light-hours).

In the sky

Right ascension
01h 58m 41s
Declination
+14° 53′ 36″
Constellation
Aries
Distance from Earth
54.09 AU
Elongation from the Sun
177.38° — near opposition — up most of the night

Visible from both hemispheres.

From your location

See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.

How do I find my coordinates?

Google Maps on a computer

  1. Right-click the spot where you'll be observing.
  2. The first line of the menu is the coordinates, e.g. 51.50722, -0.12758 — click it and they're copied.
  3. Paste them above.

Google Maps on a phone

  1. Press and hold the spot to drop a pin.
  2. The coordinates appear in the search bar (or on the pin's card) — tap to copy, then paste above.

A full Google Maps link works too, but the short maps.app.goo.gl share links don't carry coordinates — copy the numbers instead. We round to about a kilometre; that's all the sky calculation needs.

Know your what3words address? Paste it, e.g. ///filled.count.soap. This is optional — the three words are sent to what3words to convert them, and we don't store the address or the result.

Your location stays in your browser and is sent only for this calculation. Using a what3words address is optional; if you do, the three words go to what3words to be converted and we don't record them. Set a location first, then you can save an email alert for this object. See our privacy policy.

Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.

Orbital elements

Semi-major axis
47.781 AU
Eccentricity
0.213
Inclination
3.41°
Orbital period
330.3 years
Perihelion
37.602 AU
Aphelion
57.96 AU
Longitude of ascending node
344.12°
Argument of periapsis
192.58°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Earth MOID · 14,246.5 LD
36.6071 AU
Tisserand (Jupiter)
6.02

Orbit quality

Orbit reasonably well determined (uncertainty code 5).

Observations used
36
Data arc
4.06 years
First observed
8 August 2013
Last observed
30 August 2017
Residual RMS
0.24 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
7

Discovery & classification

TNO

Sources