Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 7 September 1902 |
Designations | |
(493) Griseldis | |
Pronunciation | /ɡrɪˈzɛldɪs/ |
1902 JS | |
Orbital characteristics [1] | |
Epoch 31 July 2016 ( JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 113.61 yr (41495 d) |
Aphelion | 3.6625 AU (547.90 Gm) |
Perihelion | 2.5706 AU (384.56 Gm) |
3.1165 AU (466.22 Gm) | |
Eccentricity | 0.17518 |
5.50 yr (2009.6 d) | |
193.229 ° | |
0° 10m 44.904s / day | |
Inclination | 15.177° |
357.360° | |
47.140° | |
Physical characteristics | |
Dimensions | 46.41±4.1 km [1] |
51.940 h (2.1642 d) [1] | |
0.0622±0.013 [1] | |
P [2] | |
14.2 to 17.5 | |
10.9 [1] | |
Griseldis ( minor planet designation: 493 Griseldis) is a fairly dark main-belt asteroid 46 km in diameter. [1]
Griseldis is suspected of having been impacted by another asteroid in March 2015. [2] [3] Other asteroids suspected of an asteroid-on-asteroid impact include 354P/LINEAR and 596 Scheila which also showed extended features (tails).
The asteroid was observed with the Subaru Telescope (8m), the Magellan Telescopes (6.5), and also the University of Hawaii 2.2 m telescope in early 2015. [4] The activity was detected on the Subaru in late March, and confirmed on the Magellan telescope a few days later (which is in Chile), but no activity was seen by April. [4] Also, no activity was seen in archived images from 2010 or 2012 according to a University of Hawaii press release. [4]
Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 7 September 1902 |
Designations | |
(493) Griseldis | |
Pronunciation | /ɡrɪˈzɛldɪs/ |
1902 JS | |
Orbital characteristics [1] | |
Epoch 31 July 2016 ( JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 113.61 yr (41495 d) |
Aphelion | 3.6625 AU (547.90 Gm) |
Perihelion | 2.5706 AU (384.56 Gm) |
3.1165 AU (466.22 Gm) | |
Eccentricity | 0.17518 |
5.50 yr (2009.6 d) | |
193.229 ° | |
0° 10m 44.904s / day | |
Inclination | 15.177° |
357.360° | |
47.140° | |
Physical characteristics | |
Dimensions | 46.41±4.1 km [1] |
51.940 h (2.1642 d) [1] | |
0.0622±0.013 [1] | |
P [2] | |
14.2 to 17.5 | |
10.9 [1] | |
Griseldis ( minor planet designation: 493 Griseldis) is a fairly dark main-belt asteroid 46 km in diameter. [1]
Griseldis is suspected of having been impacted by another asteroid in March 2015. [2] [3] Other asteroids suspected of an asteroid-on-asteroid impact include 354P/LINEAR and 596 Scheila which also showed extended features (tails).
The asteroid was observed with the Subaru Telescope (8m), the Magellan Telescopes (6.5), and also the University of Hawaii 2.2 m telescope in early 2015. [4] The activity was detected on the Subaru in late March, and confirmed on the Magellan telescope a few days later (which is in Chile), but no activity was seen by April. [4] Also, no activity was seen in archived images from 2010 or 2012 according to a University of Hawaii press release. [4]