Wilk
C/1937 D1 (Wilk)
Where is it now
- Distance from Sun
- 63.323 AU
- True anomaly
- 179.92°
- 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
- 17h 40m 53s
- Declination
- -36° 34′ 39″
- Constellation
- Scorpius
- Distance from Earth
- 63.31 AU
- Elongation from the Sun
- 90.47° — well clear of the Sun
Favours the southern hemisphere; low or below the horizon from far north.
From your location
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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
- 31.973 AU
- Eccentricity
- 0.9806
- Inclination
- 26.01°
- Orbital period
- 180.8 years
- Perihelion
- 0.619 AU
- Aphelion
- 63.327 AU
- Longitude of ascending node
- 58.27°
- Argument of periapsis
- 31.46°
- Epoch · J2000
- 2428609.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 100.1 LD
- 0.2573 AU
- Tisserand (Jupiter)
- 1.035
Orbit quality
Orbit poorly determined (uncertainty code 7).
- Observations used
- 17
- Data arc
- 59 days
- First observed
- 2 March 1937
- Last observed
- 30 April 1937
- Residual RMS
- 0.73 ″
- Solution · Otto Matic
- 20 February 2024
Discovery & classification
Also known as 1937 D1
Sources
- orbital elements: JPL SBDB