826 Henrika

826 Henrika

Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg
Discovery date	28 April 1916
Designations
Alternative names	1916 ZO
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	94.46 yr (34503 d)
Aphelion	3.2698 AU (489.16 Gm)
Perihelion	2.1561 AU (322.55 Gm)
Semi-major axis	2.7130 AU (405.86 Gm)
Eccentricity	0.20525
Orbital period	4.47 yr (1632.2 d)
Mean anomaly	102.872°
Mean motion	0° 13^m 14.016^s / day
Inclination	7.1054°
Longitude of ascending node	230.234°
Argument of perihelion	36.890°
Earth MOID	1.14521 AU (171.321 Gm)
Jupiter MOID	1.82532 AU (273.064 Gm)
Jupiter Tisserand parameter	3.320
Physical characteristics
Mean radius	9.64±1.15 km
Rotation period	5.9846 h (0.24936 d)
Geometric albedo	0.1435±0.042
Absolute magnitude (H)	11.6

826 Henrika is a minor planet orbiting the Sun.

References

1. "826 Henrika (1916 ZO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.

External links

• Discovery Circumstances: Numbered Minor Planets
• 826 Henrika at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters