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Asteroid Near-Earth

2026 CB3

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(2026 CB3)

Where is it now

Distance from Sun
1.201 AU
True anomaly
166.07°
Distance from Earth
0.958 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 2026 CB3 — 1.201 AU from the Sun 2026 CB3
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2026 CB3 is 0.958 AU from Earth today (8.0 light-minutes).

In the sky

Right ascension
09h 25m 25s
Declination
+25° 16′ 47″
Constellation
Leo
Distance from Earth
0.96 AU
Elongation from the Sun
75.91° — 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
0.97 AU
Eccentricity
0.2501
Inclination
8.25°
Orbital period
349 days
Perihelion
0.727 AU
Aphelion
1.213 AU
Longitude of ascending node
329.71°
Argument of periapsis
305.62°
Epoch · J2000
2461200.5
Orbit class · ATE
Aten
Earth MOID · 13.8 LD
0.0356 AU
Tisserand (Jupiter)
6.191

Orbit quality

Orbit poorly determined (uncertainty code 6).

Observations used
29
Data arc
11 days
First observed
13 February 2026
Last observed
24 February 2026
Residual RMS
0.49 ″
Solution · Otto Matic
24 February 2026

Visual & observation

Absolute magnitude (H)
25.14

Discovery & classification

Aten Near-Earth Object

Close approaches 34 on record

Flyby geometry
Ecliptic flyby of 2026 CB3 at 2043-10-13 16:38 UTC Top-down view of the ecliptic, Earth at the centre, for the 2043-10-13 16:38 UTC close approach of 2026 CB3. Catalogue miss distance 46.2 LD · 1.78 × 10⁷ km. The curve is the geocentric path from 2043-10-10 to 2043-10-16, 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 46.2 LD · 1.78 × 10⁷ km 2043-10-13 16:38 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2043-10-13 16:38 UTC close approach of 2026 CB3. Catalogue miss distance 46.2 LD · 1.78 × 10⁷ km. The curve is the geocentric path from 2043-10-10 to 2043-10-16, 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
2042-09-08 10:03:00 Venus 0.1415 AU 55.1 LD 13 km/s
2043-10-13 16:38:00 Earth 0.1188 AU 46.2 LD 9.8 km/s
2047-02-26 03:22:00 Earth 0.1067 AU 41.5 LD 6.8 km/s
2048-02-28 13:20:00 Earth 0.1686 AU 65.6 LD 13.5 km/s
2051-04-15 04:16:00 Venus 0.0614 AU 23.9 LD 9.8 km/s
2059-11-23 21:22:00 Venus 0.0478 AU 18.6 LD 9.3 km/s
2065-10-14 14:00:00 Earth 0.1281 AU 49.9 LD 10.4 km/s
2066-09-04 01:17:00 Earth 0.1999 AU 77.8 LD 7.5 km/s
2068-07-08 15:21:00 Venus 0.1054 AU 41.0 LD 11.5 km/s
2069-02-13 05:32:00 Earth 0.1666 AU 64.8 LD 6.7 km/s

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

Sources