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Asteroid Near-Earth Potentially hazardous

2026 BX4

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(2026 BX4)

Where is it now

Distance from Sun
0.961 AU
True anomaly
147.83°
Distance from Earth
1.158 AU
As of
20 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 2026 BX4 — 0.961 AU from the Sun 2026 BX4
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2026 BX4 is 1.158 AU from Earth today (9.6 light-minutes).

In the sky

Right ascension
10h 51m 47s
Declination
+20° 55′ 57″
Constellation
Leo
Distance from Earth
1.16 AU
Elongation from the Sun
52.36° — near the Sun — look low at dusk or dawn

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
0.874 AU
Eccentricity
0.1229
Inclination
19.98°
Orbital period
298.5 days
Perihelion
0.767 AU
Aphelion
0.982 AU
Longitude of ascending node
328.07°
Argument of periapsis
341.56°
Epoch · J2000
2461200.5
Orbit class · IEO
Atira (interior-Earth object)
Earth MOID · 5.2 LD
0.0133 AU
Tisserand (Jupiter)
6.718

Orbit quality

Orbit reasonably well determined (uncertainty code 4).

Observations used
84
Data arc
33 days
First observed
20 January 2026
Last observed
22 February 2026
Residual RMS
0.37 ″
Solution · Otto Matic
23 February 2026

Visual & observation

Absolute magnitude (H)
20.96

Discovery & classification

Atira Near-Earth Object Potentially Hazardous Asteroid

Close approaches 48 on record

Flyby geometry
Ecliptic flyby of 2026 BX4 at 2035-02-16 09:27 UTC Top-down view of the ecliptic, Earth at the centre, for the 2035-02-16 09:27 UTC close approach of 2026 BX4. Catalogue miss distance 25.1 LD · 9.66 × 10⁶ km. The curve is the geocentric path from 2035-02-13 to 2035-02-19, 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. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate. Sun 25.1 LD · 9.66 × 10⁶ km 2035-02-16 09:27 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2035-02-16 09:27 UTC close approach of 2026 BX4. Catalogue miss distance 25.1 LD · 9.66 × 10⁶ km. The curve is the geocentric path from 2035-02-13 to 2035-02-19, 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. 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
2027-04-23 21:06:00 Venus 0.0963 AU 37.5 LD 13.9 km/s
2029-10-07 10:25:00 Venus 0.0472 AU 18.4 LD 13.3 km/s
2032-03-23 03:46:00 Venus 0.0492 AU 19.2 LD 13.1 km/s
2034-09-06 18:56:00 Venus 0.0996 AU 38.8 LD 13.6 km/s
2035-02-16 09:27:00 Earth 0.0646 AU 25.1 LD 10.9 km/s
2044-02-14 21:40:00 Earth 0.1781 AU 69.3 LD 12.6 km/s
2057-02-17 05:33:00 Earth 0.1739 AU 67.7 LD 11.1 km/s
2066-02-17 04:38:00 Earth 0.0553 AU 21.5 LD 10.3 km/s
2072-03-21 17:52:00 Venus 0.1363 AU 53.0 LD 14.6 km/s
2074-09-05 07:00:00 Venus 0.0788 AU 30.7 LD 13.6 km/s

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

Sources