10252 Heidigraf

10252 Heidigraf

Discovery[1][2]
Discovered by	C. J. van Houten, I. van Houten-Groeneveld
Discovery site	Palomar Observatory
Discovery date	26 March 1971
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	16214 days (44.39 yr)
Aphelion	3.05154 AU (456.504 Gm)
Perihelion	2.65382 AU (397.006 Gm)
Semi-major axis	2.85268 AU (426.755 Gm)
Eccentricity	0.069711
Orbital period	4.82 yr (1759.9 d)
Mean anomaly	334.9874°
Mean motion	0° 12^m 16.423^s / day
Inclination	2.25936°
Longitude of ascending node	33.3056°
Argument of perihelion	289.8375°
Earth MOID	1.6405 AU (245.42 Gm)
Jupiter MOID	2.15973 AU (323.091 Gm)
Jupiter Tisserand parameter	3.300
Proper orbital elements[1]
Proper mean motion	.204649 deg / yr
Proper orbital period	1759.1095 yr (642514.745 d)
Physical characteristics
Absolute magnitude (H)	13.2

10252 Heidigraf is a main-belt asteroid. It was discovered on March 26, 1971, by Dutch astronomers Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld on Palomar Schmidt plates taken by Tom Gehrels. Heidigraf is named after Heidi Graf, the retired Head of the ESTEC Communications Office at European Space Agency.^[1]

References

1. "10252 Heidigraf (4164 T-1)". JPL Small-Body Database Browser. Retrieved 9 April 2016.
2. Schmadel, Lutz D. (2012). Dictionary of Minor Planet Names (6th rev. and enl. ed.). Berlin: Springer. p. 729. ISBN 9783642297182. Retrieved 20 April 2015.

External links

• 10252 Heidigraf at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters