Skip to content
Public Universe
Comet

ZTF

Add to an observing list or journal →

C/2021 D2 (ZTF)

Orbital elements

Semi-major axis
-2,203.174 AU
Eccentricity
1.0013
Inclination
83.83°
Perihelion
2.946 AU
Longitude of ascending node
305.68°
Argument of periapsis
125.03°
Epoch · J2000
JD 2459614.47957 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 891.1 LD
2.2897 AU
Tisserand (Jupiter)
0.229

Orbit quality

Observations used
654
Data arc
792 days
First observed
19 February 2021
Last observed
22 April 2023
Residual RMS
0.69 ″
Solution · Otto Matic
13 January 2026

Visual & observation

Absolute magnitude (H)
13.3
Total magnitude M₁ · K₁ 4.5
13.3

Discovery & classification

Also known as 2021 D2

Named

Sources