Discovery | |
---|---|
Discovered by | Palomar Observatory team |
Discovery site | Palomar Observatory |
Discovery date | 30 July 2008 (first observation) |
Designations | |
(470599) 2008 OG19 | |
2008 OG19 | |
scattered disc | |
Orbital characteristics [1] | |
Epoch 13 January 2016 ( JD 2457400.5) | |
Uncertainty parameter 3 · 1(?) [2] | |
Observation arc | 2596 days (7.11 yr) |
Aphelion | 94.004 AU (14.0628 Tm) |
Perihelion | 38.576 AU (5.7709 Tm) |
66.290 AU (9.9168 Tm) | |
Eccentricity | 0.41807 |
539.73 yr (197137 d) [1] | |
1.5681 ° | |
0° 0m 6.574s /day | |
Inclination | 13.167° |
164.02° | |
140.53° | |
Physical characteristics | |
Dimensions | 619+56 −113 km (assuming albedo of 0.081) [3] 394+57 −63 km (assuming albedo of 0.199) [3] |
Mean
density | 0.609±0.004 g/cm3
[3] 0.544+0.042 −0.004 g/cm3 (minimum) [3] |
8.727±0.003 h [3] | |
0.081 (assumed as typical SDO albedo)
[3] 0.199 (assumed) [3] | |
V–R=0.64 [3] | |
4.39±0.07 (R-band)
[3] 4.89 [2] | |
(470599) 2008 OG19 ( provisional designation 2008 OG19) is a trans-Neptunian object located in the scattered disc. [4] It was discovered on 30 July 2008 through the Palomar Observatory. [2] It displays a large light curve amplitude of 0.437±0.011 magnitudes, implying that it is highly elongated in shape, similar to 20000 Varuna. Based on models for its light curve amplitude, they obtained an approximate density of 0.609 g/cm3 and aspect ratios of b/a = 0.513 and c/a = 0.39. [3]
Discovery | |
---|---|
Discovered by | Palomar Observatory team |
Discovery site | Palomar Observatory |
Discovery date | 30 July 2008 (first observation) |
Designations | |
(470599) 2008 OG19 | |
2008 OG19 | |
scattered disc | |
Orbital characteristics [1] | |
Epoch 13 January 2016 ( JD 2457400.5) | |
Uncertainty parameter 3 · 1(?) [2] | |
Observation arc | 2596 days (7.11 yr) |
Aphelion | 94.004 AU (14.0628 Tm) |
Perihelion | 38.576 AU (5.7709 Tm) |
66.290 AU (9.9168 Tm) | |
Eccentricity | 0.41807 |
539.73 yr (197137 d) [1] | |
1.5681 ° | |
0° 0m 6.574s /day | |
Inclination | 13.167° |
164.02° | |
140.53° | |
Physical characteristics | |
Dimensions | 619+56 −113 km (assuming albedo of 0.081) [3] 394+57 −63 km (assuming albedo of 0.199) [3] |
Mean
density | 0.609±0.004 g/cm3
[3] 0.544+0.042 −0.004 g/cm3 (minimum) [3] |
8.727±0.003 h [3] | |
0.081 (assumed as typical SDO albedo)
[3] 0.199 (assumed) [3] | |
V–R=0.64 [3] | |
4.39±0.07 (R-band)
[3] 4.89 [2] | |
(470599) 2008 OG19 ( provisional designation 2008 OG19) is a trans-Neptunian object located in the scattered disc. [4] It was discovered on 30 July 2008 through the Palomar Observatory. [2] It displays a large light curve amplitude of 0.437±0.011 magnitudes, implying that it is highly elongated in shape, similar to 20000 Varuna. Based on models for its light curve amplitude, they obtained an approximate density of 0.609 g/cm3 and aspect ratios of b/a = 0.513 and c/a = 0.39. [3]