SWAN-Xingming
C/2015 F5 (SWAN-Xingming)
Where is it now
- Distance from Sun
- 22.498 AU
- True anomaly
- 172.59°
- As of
- 17 September 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
- 07h 03m 44s
- Declination
- +19° 36′ 00″
- Constellation
- Gemini
- Distance from Earth
- 22.81 AU
- Elongation from the Sun
- 70.6° — well clear of the Sun
Favours the northern hemisphere; low or below the horizon from far south.
From your location
See how high it is right now, whether it's up after dark, and when it rises and sets where you are.
Your location stays in your browser and is sent only for this calculation. 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
- 15.55 AU
- Eccentricity
- 0.9777
- Inclination
- 149.26°
- Orbital period
- 61.32 years
- Perihelion
- 0.346 AU
- Aphelion
- 30.754 AU
- Longitude of ascending node
- 287.74°
- Argument of periapsis
- 13.39°
- Epoch · J2000
- 2457134.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 171.8 LD
- 0.4416 AU
- Tisserand (Jupiter)
- -0.289
Orbit quality
Orbit poorly determined (uncertainty code 6).
- Observations used
- 209
- Data arc
- 43 days
- First observed
- 5 April 2015
- Last observed
- 18 May 2015
- Residual RMS
- 0.91 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 14.1
- Total magnitude M₁ · K₁ 4.5
- 14.1
Discovery & classification
Also known as 2015 F5
Sources
- orbital elements: JPL SBDB