de Vico
122P/de Vico
Where is it now
- Distance from Sun
- 34.087 AU
- True anomaly
- 177.86°
- 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 06m 58s
- Declination
- -33° 42′ 42″
- Constellation
- Scorpius
- Distance from Earth
- 34.19 AU
- Elongation from the Sun
- 83.34° — 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
- 17.681 AU
- Eccentricity
- 0.9627
- Inclination
- 85.38°
- Orbital period
- 74.35 years
- Perihelion
- 0.659 AU
- Aphelion
- 34.702 AU
- Longitude of ascending node
- 79.62°
- Argument of periapsis
- 13°
- Epoch · J2000
- 2450280.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 123.3 LD
- 0.3168 AU
- Tisserand (Jupiter)
- 0.375
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 294
- Data arc
- 150.3 years
- First observed
- 2 March 1846
- Last observed
- 25 June 1996
- Residual RMS
- 1.11 ″
- Solution · M.S.W. Keesey
- 2 July 2001
Visual & observation
- Absolute magnitude (H)
- 7.5
- Total magnitude M₁ · K₁ 10
- 7.5
Discovery & classification
Also known as 122P
Sources
- orbital elements: JPL SBDB