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Solar
Comet

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

Named

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