Where is it now
- Distance from Sun
- 4.755 AU
- True anomaly
- 128.22°
- Distance from Earth
- 4.629 AU
- As of
- 11 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.
In the sky
- Right ascension
- 19h 12m 10s
- Declination
- +01° 00′ 26″
- Constellation
- Aquila
- Distance from Earth
- 4.64 AU
- Elongation from the Sun
- 90.6° — well clear of the Sun
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.
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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
- 6.249 AU
- Eccentricity
- 0.7781
- Inclination
- 22.77°
- Orbital period
- 15.62 years
- Perihelion
- 1.387 AU
- Aphelion
- 11.111 AU
- Longitude of ascending node
- 205.85°
- Argument of periapsis
- 328.17°
- Epoch · J2000
- 2461200.5
- Orbit class · CEN
- Centaur
- Earth MOID · 167.4 LD
- 0.4301 AU
- Tisserand (Jupiter)
- 2.102
Orbit quality
Orbit very well determined (uncertainty code 1).
- Observations used
- 36
- Data arc
- 14.91 years
- First observed
- 22 February 2010
- Last observed
- 21 January 2025
- Residual RMS
- 0.36 ″
- Solution · Otto Matic
- 14 February 2025
Physical properties
- Mean radius
- 1.38 km
Visual & observation
- Absolute magnitude (H)
- 17.84
Discovery & classification
Close approaches 6 on record
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2070-11-28 00:25:00 | Juptr | 1.7269 AU | 672.1 LD | 17.5 km/s |
| 2144-12-20 14:17:00 | Satrn | 1.1183 AU | 435.2 LD | 7 km/s |
| 2177-12-21 02:29:00 | Juptr | 0.6097 AU | 237.3 LD | 13.8 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