Where is it now
- Distance from Sun
- 4.176 AU
- True anomaly
- 147.17°
- Distance from Earth
- 4.742 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
- 16h 29m 17s
- Declination
- -20° 00′ 28″
- Constellation
- Ophiuchus
- Distance from Earth
- 4.75 AU
- Elongation from the Sun
- 49.98° — near the Sun — look low at dusk or dawn
Favours the southern hemisphere; low or below the horizon from far north.
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
- 3.535 AU
- Eccentricity
- 0.7513
- Inclination
- 13.22°
- Orbital period
- 6.65 years
- Perihelion
- 0.879 AU
- Aphelion
- 6.19 AU
- Longitude of ascending node
- 250.67°
- Argument of periapsis
- 221.66°
- Epoch · J2000
- 2390520.5
- Orbit class · JFc
- Jupiter-family comet (P < 20 y)
- Earth MOID · 0.2 LD
- 0.0005 AU
- Tisserand (Jupiter)
- 2.531
Orbit quality
- Observations used
- 26
Visual & observation
- Absolute magnitude (H)
- 7.1
- Total magnitude M₁ · K₁ 10
- 7.1
Discovery & classification
- Discovered by
- Montaigne
- Discovery date
- 8 March 1772
- Discovery site
- Limoges, France
Also known as 3D · 1772 · 1806 I · 1826 I · 1832 III · 1846 II · 1852 III · 3D/1772 E1
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB