(120132) 2003 FY128
Trans-Neptunian object
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(120132) 2003 FY128 (provisional designation 2003 FY128) is a trans-Neptunian object with a diameter of about 460 km.[3] It orbits the Sun at a distance of about 49.81 astronomical units.[2] It was discovered on 26 March 2003 by the NEAT program at the Palomar Observatory, California.
Discoverydate26 March 2003
(120132) 2003 FY128
| Discovery | |
|---|---|
| Discovered by | NEAT |
| Discovery date | 26 March 2003 |
| Designations | |
| (120132) 2003 FY128 | |
| none | |
| detached object[1] | |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 8159 days (22.34 yr) |
| Aphelion | 62.551 AU (9.3575 Tm) |
| Perihelion | 37.066 AU (5.5450 Tm) |
| 49.809 AU (7.4513 Tm) | |
| Eccentricity | 0.25584 |
| 351.53 yr (128397 d) | |
| 28.257° | |
| 0° 0m 10.094s / day | |
| Inclination | 11.757° |
| 341.68° | |
| 175.26° | |
| Known satellites | 0 |
| Earth MOID | 36.0755 AU (5.39682 Tm) |
| Jupiter MOID | 31.6621 AU (4.73658 Tm) |
| Physical characteristics | |
| Dimensions | 460±21 km[3] |
| 8.54 h (0.356 d) | |
| 0.079±0.010[3] | |
| 4.8[2] | |
Orbital Classification
It is classified as a detached object by the Deep Ecliptic Survey (DES), since its orbit appears to be beyond the current control of Neptune.[1] Though, if Neptune migrated outward, there would have been a period when Neptune had a higher eccentricity.
