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Trans-Neptunian object

2026 EY129

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(2026 EY129)

Where is it now

Distance from Sun
33.224 AU
True anomaly
37.91°
Distance from Earth
34.171 AU
As of
15 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 — 0.997 AU from the Sun Earth 2026 EY129 — 33.224 AU from the Sun 2026 EY129
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2026 EY129 is 34.171 AU from Earth today (4.7 light-hours).

In the sky

Right ascension
12h 10m 16s
Declination
-10° 23′ 21″
Constellation
Virgo
Distance from Earth
34.17 AU
Elongation from the Sun
18.43° — too close to the Sun to observe

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
35.905 AU
Eccentricity
0.0909
Inclination
9.85°
Orbital period
215.1 years
Perihelion
32.639 AU
Aphelion
39.17 AU
Longitude of ascending node
248.47°
Argument of periapsis
259.28°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Tisserand (Jupiter)
5.3

Orbit quality

Orbit very uncertain — the object may be effectively lost (uncertainty code 9).

Observations used
42
Data arc
25 days
First observed
12 March 2026
Last observed
6 April 2026
Residual RMS
0.05 ″

Visual & observation

Absolute magnitude (H)
8.03

Discovery & classification

TNO

Sources