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Trans-Neptunian object

2014 WM517

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(2014 WM517)

2014 WM517 is a trans-Neptunian object in the Trans-Neptunian object orbit class. Its orbit takes it from 44.87 AU to 50.87 AU from the Sun; one orbit takes 331.2 years. Orbit from the JPL solution of 11 March 2026.

Where is it now

Distance from Sun
48.077 AU
True anomaly
97.5°
Distance from Earth
47.149 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 WM517 — 48.077 AU from the Sun 2014 WM517
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2014 WM517 is 47.149 AU from Earth today (6.5 light-hours).

In the sky

Right ascension
03h 00m 00s
Declination
-02° 59′ 43″
Constellation
Eridanus
Distance from Earth
47.15 AU
Elongation from the Sun
159.09° — well clear of the Sun

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
47.871 AU
Eccentricity
0.0627
Inclination
19.49°
Orbital period
331.2 years
Perihelion
44.868 AU
Aphelion
50.874 AU
Longitude of ascending node
147.17°
Argument of periapsis
157.6°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Earth MOID · 17,069.5 LD
43.8609 AU
Tisserand (Jupiter)
5.816

Orbit quality

Orbit reasonably well determined (uncertainty code 4).

Observations used
55
Data arc
5.03 years
First observed
23 November 2014
Last observed
4 December 2019
Residual RMS
0.17 ″
Solution · Otto Matic
11 March 2026

Visual & observation

Absolute magnitude (H)
7.58

Discovery & classification

TNO

Sources