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Comet

ATLAS

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C/2025 F1 (ATLAS)

ATLAS is a comet in the Comet orbit class. Its orbit takes it from 1.07 AU to 576.99 AU from the Sun; one orbit takes 4,913.9 years. Orbit from the JPL solution of 30 June 2025.

Where is it now

Distance from Sun
6.478 AU
True anomaly
132.28°
Distance from Earth
6.229 AU
As of
24 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 ATLAS — 6.478 AU from the Sun ATLAS
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. ATLAS is 6.229 AU from Earth today (51.8 light-minutes).

In the sky

Right ascension
20h 00m 47s
Declination
+53° 11′ 04″
Constellation
Cygnus
Distance from Earth
6.24 AU
Elongation from the Sun
99.85° — well clear of the Sun

Favours the northern hemisphere; low or below the horizon from far south.

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
289.031 AU
Eccentricity
0.9963
Inclination
109.24°
Orbital period
4,913.9 years
Perihelion
1.07 AU
Aphelion
576.992 AU
Longitude of ascending node
122.7°
Argument of periapsis
334.23°
Epoch · J2000
2460768.5
Orbit class · COM
Comet
Earth MOID · 53.2 LD
0.1367 AU
Tisserand (Jupiter)
-0.404

Orbit quality

Observations used
69
Data arc
37 days
First observed
22 March 2025
Last observed
28 April 2025
Residual RMS
0.59 ″
Solution · Otto Matic
30 June 2025

Visual & observation

Absolute magnitude (H)
15.8
Total magnitude M₁ · K₁ 44.8
15.8

Discovery & classification

Also known as 2025 F1

Named

Sources