2023 UZ2 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.91 AU to 1.11 AU from the Sun; one orbit takes 372.1 days. Orbit from the JPL solution of 20 October 2023.
Where is it now
- Distance from Sun
- 1.026 AU
- True anomaly
- 103.15°
- Distance from Earth
- 0.366 AU
- As of
- 3 November 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.
In the sky
- Right ascension
- 20h 32m 01s
- Declination
- -15° 24′ 14″
- Constellation
- Capricornus
- Distance from Earth
- 0.37 AU
- Elongation from the Sun
- 84.88° — well clear of the Sun
Favours the southern hemisphere; low or below the horizon from far north.
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.
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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
- 1.013 AU
- Eccentricity
- 0.0985
- Inclination
- 4.09°
- Orbital period
- 372.1 days
- Perihelion
- 0.913 AU
- Aphelion
- 1.112 AU
- Longitude of ascending node
- 217.81°
- Argument of periapsis
- 59.55°
- Epoch · J2000
- 2461200.5
- Orbit class · APO
- Apollo
- Earth MOID · 11.3 LD
- 0.0289 AU
- Tisserand (Jupiter)
- 6.015
Orbit quality
Orbit reasonably well determined (uncertainty code 5).
- Observations used
- 16
- Data arc
- 2 days
- First observed
- 18 October 2023
- Last observed
- 20 October 2023
- Residual RMS
- 0.48 ″
- Solution · Otto Matic
- 20 October 2023
Visual & observation
- Absolute magnitude (H)
- 26.88
Discovery & classification
Close approaches 57 on record
Top-down view of the ecliptic, Earth at the centre, for the 2027-10-20 03:22 UTC close approach of 2023 UZ2. Catalogue miss distance 174.7 LD · 6.71 × 10⁷ km. The curve is the geocentric path from 2027-10-17 to 2027-10-23, 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.
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2026-10-15 10:33:00 | Earth | 0.333 AU | 129.6 LD | 13.5 km/s |
| 2027-10-20 03:22:00 | Earth | 0.4489 AU | 174.7 LD | 16.9 km/s |
| 2070-03-15 01:30:00 | Earth | 0.4217 AU | 164.1 LD | 16.2 km/s |
| 2071-03-20 04:29:00 | Earth | 0.3056 AU | 118.9 LD | 12.7 km/s |
| 2072-03-24 19:47:00 | Earth | 0.1903 AU | 74.1 LD | 9.2 km/s |
| 2073-03-31 06:54:00 | Earth | 0.0802 AU | 31.2 LD | 6 km/s |
| 2074-04-13 08:19:00 | Earth | 0.0396 AU | 15.4 LD | 3.4 km/s |
| 2075-02-06 00:03:00 | Earth | 0.132 AU | 51.4 LD | 2.9 km/s |
| 2075-06-01 12:52:00 | Earth | 0.105 AU | 40.9 LD | 3.5 km/s |
| 2075-12-27 13:26:00 | Earth | 0.1433 AU | 55.8 LD | 3.6 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB