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Asteroid Near-Earth

2025 CX3

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(2025 CX3)

Where is it now

Distance from Sun
0.608 AU
True anomaly
260.09°
Distance from Earth
1.558 AU
As of
16 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 2025 CX3 — 0.608 AU from the Sun 2025 CX3
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2025 CX3 is 1.558 AU from Earth today (13.0 light-minutes).

In the sky

Right ascension
14h 06m 42s
Declination
-14° 17′ 37″
Constellation
Virgo
Distance from Earth
1.55 AU
Elongation from the Sun
10.76° — 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
0.777 AU
Eccentricity
0.5389
Inclination
9.03°
Orbital period
250.2 days
Perihelion
0.358 AU
Aphelion
1.196 AU
Longitude of ascending node
29.25°
Argument of periapsis
302.43°
Epoch · J2000
2461200.5
Orbit class · ATE
Aten
Earth MOID · 23.5 LD
0.0604 AU
Tisserand (Jupiter)
7.339

Orbit quality

Orbit poorly determined (uncertainty code 6).

Observations used
25
Data arc
26 days
First observed
6 February 2025
Last observed
4 March 2025
Residual RMS
0.48 ″
Solution · Otto Matic
5 March 2025

Visual & observation

Absolute magnitude (H)
23.41

Discovery & classification

Aten Near-Earth Object

Close approaches 141 on record

Flyby geometry
Ecliptic flyby of 2025 CX3 at 2027-01-15 20:35 UTC Top-down view of the ecliptic, Earth at the centre, for the 2027-01-15 20:35 UTC close approach of 2025 CX3. Catalogue miss distance 62.1 LD · 2.39 × 10⁷ km. The curve is the geocentric path from 2027-01-12 to 2027-01-18, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. At closest approach the object is north of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate. Sun 13 Jan 62.1 LD · 2.39 × 10⁷ km 2027-01-15 20:35 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2027-01-15 20:35 UTC close approach of 2025 CX3. Catalogue miss distance 62.1 LD · 2.39 × 10⁷ km. The curve is the geocentric path from 2027-01-12 to 2027-01-18, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. At closest approach the object is north of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate.

JPL Horizons

When (UTC) Body Distance Lunar distances Relative speed
2027-01-15 20:35:00 Earth 0.1596 AU 62.1 LD 13.7 km/s
2028-03-12 04:15:00 Merc 0.0344 AU 13.4 LD 19.1 km/s
2028-03-12 04:15:00 Mercury 0.0344 AU 13.4 LD 19.1 km/s
2030-03-11 16:33:00 Venus 0.1095 AU 42.6 LD 25.4 km/s
2032-05-04 19:15:00 Merc 0.0429 AU 16.7 LD 17.5 km/s
2032-05-04 19:15:00 Mercury 0.0429 AU 16.7 LD 17.5 km/s
2032-06-09 16:42:00 Venus 0.1004 AU 39.1 LD 17.9 km/s
2034-03-26 20:17:00 Earth 0.1151 AU 44.8 LD 18.5 km/s
2036-03-17 16:59:00 Earth 0.1856 AU 72.2 LD 11.7 km/s
2036-05-08 09:04:00 Venus 0.0442 AU 17.2 LD 21.3 km/s

Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.

Sources