433303 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.86 AU to 1.21 AU from the Sun; one orbit takes 383.1 days. Discovered 2 July 2013 by Pan-STARRS 1. Orbit from the JPL solution of 14 April 2021.
Where is it now
- Distance from Sun
- 1.159 AU
- True anomaly
- 142.67°
- Distance from Earth
- 2.133 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
- 14h 15m 08s
- Declination
- -09° 56′ 12″
- Constellation
- Virgo
- Distance from Earth
- 2.13 AU
- Elongation from the Sun
- 8.05° — 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.
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
- 1.032 AU
- Eccentricity
- 0.1697
- Inclination
- 6.32°
- Orbital period
- 383.1 days
- Perihelion
- 0.857 AU
- Aphelion
- 1.208 AU
- Longitude of ascending node
- 112.61°
- Argument of periapsis
- 312.67°
- Epoch · J2000
- 2461200.5
- Orbit class · APO
- Apollo
- Earth MOID · 21.7 LD
- 0.0557 AU
- Tisserand (Jupiter)
- 5.913
Orbit quality
Orbit very well determined (uncertainty code 2).
- Observations used
- 162
- Data arc
- 659 days
- First observed
- 2 July 2013
- Last observed
- 22 April 2015
- Residual RMS
- 0.46 ″
- Solution · Otto Matic
- 14 April 2021
Physical properties
- Rotation period
- 0.15 hours
Visual & observation
- Absolute magnitude (H)
- 22.09
Discovery & classification
- Discovered by
- Pan-STARRS 1
- Discovery date
- 2 July 2013
- Discovery site
- Haleakala
Also known as 2013 NX
Close approaches 102 on record
Top-down view of the ecliptic, Earth at the centre, for the 2033-08-05 16:28 UTC close approach of 433303. Catalogue miss distance 142.3 LD · 5.47 × 10⁷ km. The curve is the geocentric path from 2033-08-02 to 2033-08-08, 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 |
|---|---|---|---|---|
| 2033-08-05 16:28:00 | Earth | 0.3657 AU | 142.3 LD | 15.5 km/s |
| 2034-08-15 21:50:00 | Earth | 0.0878 AU | 34.2 LD | 7 km/s |
| 2035-06-30 03:42:00 | Earth | 0.1756 AU | 68.3 LD | 5 km/s |
| 2035-11-24 18:39:00 | Earth | 0.1534 AU | 59.7 LD | 5.2 km/s |
| 2036-04-29 02:24:00 | Earth | 0.2123 AU | 82.6 LD | 4.6 km/s |
| 2037-02-12 21:16:00 | Earth | 0.0718 AU | 27.9 LD | 6.6 km/s |
| 2038-03-05 21:54:00 | Earth | 0.3536 AU | 137.6 LD | 15.4 km/s |
| 2054-08-01 14:35:00 | Earth | 0.4724 AU | 183.8 LD | 18.7 km/s |
| 2055-08-13 21:51:00 | Earth | 0.1816 AU | 70.7 LD | 10 km/s |
| 2056-07-23 05:17:00 | Earth | 0.1264 AU | 49.2 LD | 4.5 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- physical properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB