11433 Gemmafrisius

3474 T-3
Discovery
Discovered by	Cornelis Johannes van Houten
Discovery site	Palomar
Discovery date	16 October 1977
Designations
MPC designation	(11433) 3474 T-3
Named after	Gemma Frisius
Alternative names	1953 FB1
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	23005 days (62.98 yr)
Aphelion	2.8044365 AU (419.53773 Gm)
Perihelion	2.0357914 AU (304.55006 Gm)
Semi-major axis	2.4201140 AU (362.04390 Gm)
Eccentricity	0.1588035
Orbital period	3.76 yr (1375.2 d)
Mean anomaly	234.78582°
Mean motion	0° 15^m 42.438^s / day
Inclination	3.211391°
Longitude of ascending node	59.646142°
Argument of perihelion	142.0809°
Earth MOID	1.03341 AU (154.596 Gm)
Jupiter MOID	2.15354 AU (322.165 Gm)
Jupiter Tisserand parameter	3.495
Physical characteristics
Absolute magnitude (H)	14.5

11433 Gemmafrisius (provisional designation: 3474 T-3) is a Main Belt minor planet. It was discovered by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld, and Tom Gehrels at the Palomar Observatory in San Diego County, California, on October 16, 1977. It is named after Gemma Frisius, a 16th-century Belgian mathematician and cartographer.

References

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11432 Kerkhoven 11433 Gemmafrisius (11434) 1931 TC2

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