698 Ernestina

698 Ernestina

Discovery
Discovered by	J. Helffrich
Discovery site	Heidelberg
Discovery date	5 March 1910
Designations
Alternative names	1910 JX
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	106.08 yr (38745 d)
Aphelion	3.1806 AU (475.81 Gm)
Perihelion	2.5542 AU (382.10 Gm)
Semi-major axis	2.8674 AU (428.96 Gm)
Eccentricity	0.10921
Orbital period	4.86 yr (1773.5 d)
Mean anomaly	345.021°
Mean motion	0° 12^m 10.764^s / day
Inclination	11.532°
Longitude of ascending node	40.651°
Argument of perihelion	99.447°
Earth MOID	1.5965 AU (238.83 Gm)
Jupiter MOID	1.9169 AU (286.76 Gm)
Jupiter Tisserand parameter	3.261
Physical characteristics
Mean radius	13.515±0.6 km
Rotation period	5.0363 h (0.20985 d)
Geometric albedo	0.1269±0.012
Absolute magnitude (H)	10.9

698 Ernestina is a minor planet in orbit around the Sun.

References

1. "698 Ernestina (1910 JX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

• Discovery Circumstances: Numbered Minor Planets
• Donald P. Pray; Adrian Galad; Stefan Gajdos; Jozef Vilagi; Walt Cooney; John Gross; et al. (2006). "Lightcurve analysis of asteroids 53, 698, 1016, 1523, 1950, 4608, 5080, 6170, 7760, 8213, 11271, 14257, 15350 and 17509" (PDF). Minor Planet Bulletin 33 (11): 92–95. Bibcode:2006MPBu...33...92P.
• 698 Ernestina at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters