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Trans-Neptunian object

2025 NS193

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(2025 NS193)

Where is it now

Distance from Sun
39.775 AU
True anomaly
279.77°
Distance from Earth
39.066 AU
As of
18 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 — 0.996 AU from the Sun Earth 2025 NS193 — 39.775 AU from the Sun 2025 NS193
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2025 NS193 is 39.066 AU from Earth today (5.4 light-hours).

In the sky

Right ascension
22h 40m 45s
Declination
-03° 29′ 23″
Constellation
Aquarius
Distance from Earth
39.07 AU
Elongation from the Sun
134.4° — 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
42.451 AU
Eccentricity
0.1839
Inclination
12.31°
Orbital period
276.6 years
Perihelion
34.644 AU
Aphelion
50.258 AU
Longitude of ascending node
320.59°
Argument of periapsis
101.5°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Earth MOID · 13,106.9 LD
33.6789 AU
Tisserand (Jupiter)
5.609

Orbit quality

Orbit poorly determined (uncertainty code 6).

Observations used
21
Data arc
138 days
First observed
2 July 2025
Last observed
17 November 2025
Residual RMS
0.57 ″
Solution · Otto Matic
5 June 2026

Visual & observation

Absolute magnitude (H)
7.08

Discovery & classification

TNO

Sources