| Name | |
|---|---|
| Name | Caldeyro |
| Designation | 2148 P-L |
| Discovery | |
| Discoverers | Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld |
| Discovery date | September 24, 1960 |
| Orbital elements | |
| Epoch October 27, 2007 (JDCT 2454400.5) | |
| Eccentricity (e) | 0.1431419 |
| Semimajor axis (a) | 3.0895471 AU |
| Perihelion (q) | 2.647588 AU |
| Aphelion (Q) | 3.5321704 AU |
| Orbital period (P) | 5.152 a |
| Inclination (i) | 4.69536° |
| Longitude of the ascending node (Ω) | 4.28579° |
| Argument of Perihelion (ω) | 278.07271° |
| Mean anomaly (M) | 266.21537° |
9478 Caldeyro is a main belt asteroid with a perihelion of 2.647588 AU. It has an eccentricity of 0.1431419 and an orbital period of 1983.83 days (5.43 years).[1] It is named after pioneering perinatologist Roberto Caldeyro-Barcia.[1]
Caldeyro has an average orbital speed of 16.94423601 km/s and an inclination of 4.69503°.
This asteroid was discovered on September 24, 1960 by Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld.
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