9902 Kirkpatrick

9902 Kirkpatrick

Orbit of 9902 Kirkpatrick (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	Paul Comba
Discovery date	3 July 1997
Designations
MPC designation	9902 Kirkpatrick
Alternative names	1997 NY, 1988 XS4, 1994 RK29, 1996 EJ16
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	9959 days (27.27 yr)
Aphelion	2.3937755 AU (358.10372 Gm)
Perihelion	2.0283509 AU (303.43698 Gm)
Semi-major axis	2.2110632 AU (330.77035 Gm)
Eccentricity	0.0826355
Orbital period	3.29 yr (1200.9 d)
Average orbital speed	20.03 km/s
Mean anomaly	74.645994°
Mean motion	0° 17^m 59.207^s / day
Inclination	5.316255°
Longitude of ascending node	274.40099°
Argument of perihelion	176.4962°
Earth MOID	1.04454 AU (156.261 Gm)
Jupiter MOID	2.74351 AU (410.423 Gm)
Jupiter Tisserand parameter	3.647
Physical characteristics
Dimensions	~17.8 km[2]
Geometric albedo	~0.01
Absolute magnitude (H)	14.3

9902 Kirkpatrick is a main belt asteroid. It orbits the Sun once every 3.29 year.^[1]

Discovered on July 3, 1997 by Paul Comba at the Prescott Observatory, it was given the provisional designation "1997 NY". It was renamed "Kirkpatrick" for Ralph Kirkpatrick, eminent American harpsichordist, clavichordist, musicologist and teacher.^[3]

References

1. "9902 Kirkpatrick (1997 NY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
2. Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
3. MPC 34356 Minor Planet Center

External links

• 9902 Kirkpatrick at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters