2004 JG6
| Discovery | |
|---|---|
| Discovered by | LONEOS |
| Discovery site | Anderson Mesa Stn. |
| Discovery date | 11 May 2004 |
| Designations | |
| MPC designation | (434326) 2004 JG6 |
| 2004 JG6 | |
|
Atira · NEO · PHA Mercury-crosser Venus-crosser |
|
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 11.05 yr (4,035 days) |
| Aphelion | 0.9726 AU |
| Perihelion | 0.2978 AU |
| 0.6352 AU | |
| Eccentricity | 0.5312 |
| 0.51 yr (185 days) | |
| 315.54° | |
| 1° 56m 48.48s / day | |
| Inclination | 18.945° |
| 37.032° | |
| 352.99° | |
| Earth MOID | 0.0381 AU · 14.8 LD |
| Physical characteristics | |
| Dimensions | 0.6–1.4 km |
| 18.4 | |
(434326) 2004 JG6, provisional designation 2004 JG6 is an eccentric, sub-kilometer sized asteroid, classified as near-Earth object and potentially hazardous asteroid of the Atira group, which is also known as "Apohele" and "interior-Earth objects". It is one of the closest orbiting objects to the Sun.
2004 JG6 was discovered on 11 May 2004, by leading astronomers Brian Skiff of the Lowell Observatory Near-Earth Object Search (LONEOS) at Anderson Mesa Station near Flagstaff, Arizona, United States.
The body's observation arc by begins with its official discovery observation at Anderson Mesa, as no precoveries were taken and no prior identifications were made.
It orbits the Sun at a distance of 0.3–1.0 AU once every 0 years and 6 months (185 days). Its orbit has an eccentricity of 0.53 and an inclination of 19° with respect to the ecliptic.
2004 JG6 is the second known Atira asteroid – the first being the group's namesake 163693 Atira – which means its entire orbit lies within that of the Earth. Its orbital period is less than that of Venus, making it one of the closest known objects to the Sun, after Mercury. Due to its eccentric orbit, it crosses the orbits of both Mercury and Venus, which also makes it a Mercury- and Venus-crosser. It has an Earth minimum orbital intersection distance of 0.0381 AU (5,700,000 km) which translates into 14.8 lunar distances.
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