Giclas
84P/Giclas
Where is it now
- Distance from Sun
- 2.216 AU
- True anomaly
- 290.22°
- 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
- 20h 00m 16s
- Declination
- -26° 26′ 41″
- Constellation
- Sagittarius
- Distance from Earth
- 1.52 AU
- Elongation from the Sun
- 121.05° — 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
- 3.559 AU
- Eccentricity
- 0.516
- Inclination
- 7.54°
- Orbital period
- 6.71 years
- Perihelion
- 1.722 AU
- Aphelion
- 5.396 AU
- Longitude of ascending node
- 108.22°
- Argument of periapsis
- 281.25°
- Epoch · J2000
- 2458500.5
- Orbit class · JFc
- Jupiter-family comet (P < 20 y)
- Earth MOID · 290.7 LD
- 0.7469 AU
- Tisserand (Jupiter)
- 2.867
Orbit quality
Orbit very well determined (uncertainty code 1).
- Observations used
- 1,270
- Data arc
- 13.23 years
- First observed
- 23 June 2013
- Last observed
- 14 September 2026
- Residual RMS
- 0.61 ″
- Solution · Davide Farnocchia
- 16 September 2026
Physical properties
- Mean radius
- 0.90 km
Visual & observation
- Absolute magnitude (H)
- 11.8
- Total magnitude M₁ · K₁ 13
- 11.8
Discovery & classification
Also known as 84P
Close approaches 1 on record
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2160-05-07 19:16:00 | Jupiter | 0.4245 AU | 165.2 LD | 3.9 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- orbital elements: JPL SBDB