Swift
D/1895 Q1 (Swift)
Where is it now
- Distance from Sun
- 4.517 AU
- True anomaly
- 143.68°
- 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
- 08h 56m 02s
- Declination
- +15° 17′ 28″
- Constellation
- Cancer
- Distance from Earth
- 5.2 AU
- Elongation from the Sun
- 43.5° — near the Sun — look low at dusk or dawn
Favours the northern hemisphere; low or below the horizon from far south.
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
- 3.729 AU
- Eccentricity
- 0.652
- Inclination
- 2.99°
- Orbital period
- 7.2 years
- Perihelion
- 1.298 AU
- Aphelion
- 6.161 AU
- Longitude of ascending node
- 171.75°
- Argument of periapsis
- 167.78°
- Epoch · J2000
- 2413430.5
- Orbit class · JFc
- Jupiter-family comet (P < 20 y)
- Tisserand (Jupiter)
- 2.677
Orbit quality
- Observations used
- 182
- Data arc
- 166 days
- First observed
- 24 August 1895
- Last observed
- 6 February 1896
Discovery & classification
Also known as 1895 Q1
Sources
- orbital elements: JPL SBDB