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Asteroid Near-Earth

2023 BB1

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(2023 BB1)

Where is it now

Distance from Sun
1.095 AU
True anomaly
164.93°
Distance from Earth
1.673 AU
As of
15 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 2023 BB1 — 1.095 AU from the Sun 2023 BB1
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2023 BB1 is 1.673 AU from Earth today (13.9 light-minutes).

In the sky

Right ascension
11h 00m 11s
Declination
+05° 31′ 23″
Constellation
Leo
Distance from Earth
1.67 AU
Elongation from the Sun
39.24° — near the Sun — look low at dusk or dawn

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
0.723 AU
Eccentricity
0.5899
Inclination
10.8°
Orbital period
224.4 days
Perihelion
0.296 AU
Aphelion
1.149 AU
Longitude of ascending node
302.72°
Argument of periapsis
20.99°
Epoch · J2000
2461200.5
Orbit class · ATE
Aten
Earth MOID · 8.3 LD
0.0213 AU
Tisserand (Jupiter)
7.792

Orbit quality

Orbit poorly determined (uncertainty code 7).

Observations used
37
Data arc
5 days
First observed
22 January 2023
Last observed
27 January 2023
Residual RMS
0.47 ″
Solution · Otto Matic
16 January 2024

Visual & observation

Absolute magnitude (H)
23.34

Discovery & classification

Aten Near-Earth Object

Close approaches 125 on record

Flyby geometry
Ecliptic flyby of 2023 BB1 at 2028-02-25 05:38 UTC Top-down view of the ecliptic, Earth at the centre, for the 2028-02-25 05:38 UTC close approach of 2023 BB1. Catalogue miss distance 65.8 LD · 2.53 × 10⁷ km. The curve is the geocentric path from 2028-02-22 to 2028-02-28, 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 south of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate. Sun 65.8 LD · 2.53 × 10⁷ km 2028-02-25 05:38 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2028-02-25 05:38 UTC close approach of 2023 BB1. Catalogue miss distance 65.8 LD · 2.53 × 10⁷ km. The curve is the geocentric path from 2028-02-22 to 2028-02-28, 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 south 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
2028-02-25 05:38:00 Earth 0.169 AU 65.8 LD 13.2 km/s
2030-10-26 15:57:00 Merc 0.0662 AU 25.8 LD 30 km/s
2030-10-26 15:57:00 Mercury 0.0662 AU 25.8 LD 30 km/s
2031-01-19 09:35:00 Earth 0.0611 AU 23.8 LD 14.3 km/s
2033-03-04 10:51:00 Earth 0.3177 AU 123.6 LD 25 km/s
2033-05-02 08:23:00 Mercury 0.0843 AU 32.8 LD 30.8 km/s
2033-05-02 08:23:00 Merc 0.0843 AU 32.8 LD 30.8 km/s
2034-01-23 19:08:00 Earth 0.3133 AU 121.9 LD 26.2 km/s
2036-03-04 01:24:00 Earth 0.1483 AU 57.7 LD 13.8 km/s
2039-01-25 22:07:00 Earth 0.1226 AU 47.7 LD 13.3 km/s

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

Sources