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Trans-Neptunian object

2002 CY154

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(2002 CY154)

Where is it now

Distance from Sun
47.644 AU
True anomaly
189.94°
Distance from Earth
48.595 AU
As of
21 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 — 0.995 AU from the Sun Earth 2002 CY154 — 47.644 AU from the Sun 2002 CY154
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2002 CY154 is 48.595 AU from Earth today (6.7 light-hours).

In the sky

Right ascension
12h 43m 00s
Declination
-03° 38′ 42″
Constellation
Virgo
Distance from Earth
48.59 AU
Elongation from the Sun
17.47° — 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
44.323 AU
Eccentricity
0.0763
Inclination
0.98°
Orbital period
295.1 years
Perihelion
40.943 AU
Aphelion
47.703 AU
Longitude of ascending node
121.03°
Argument of periapsis
239.98°
Epoch · J2000
2461200.5
Orbit class · TNO
Trans-Neptunian object
Earth MOID · 15,543.3 LD
39.9394 AU
Tisserand (Jupiter)
5.937

Orbit quality

Orbit reasonably well determined (uncertainty code 4).

Observations used
28
Data arc
19.12 years
First observed
6 February 2002
Last observed
20 March 2021
Residual RMS
0.29 ″
Solution · Otto Matic
29 April 2025

Visual & observation

Absolute magnitude (H)
6.66

Discovery & classification

TNO

Sources