IntrototheSolarSystem
Theforma<onandevolu<onoftheSolarSystemcanbelearnedfromstudyingtheproper<esofmillionsofsmallbodies
Movingobjectsmove
• Ratesofmo<on:From1—100”/hour• ImpactsbothGIandGOscience(ifthereisnonon-siderealobserving;moreonthislater)
GuestInves<gatorscience
IfNOrepeat:– Onlytrailedobjects(trailsupto30-50pixels)– Sta<s<calpopula<onproper<es(howmany,howbright)asderivedfromtrails
– LessonslearnedfromPan-STARRS(example:NearEarthAsteroidlightcurvesmeasuredinthetrail)
GuestInves<gatorscience
IfYESrepeat:– SlowmovingouterSolarSystemobjects(connectthedots)
– Individualobjectproper<es
GuestObserverscience:WFI
• NearEarthAsteroids(10secexposures)• MainBeltAsteroids(30secexposures)• KuiperBeltObjects(270secexposures)
Non-siderealobserving
• Opensawholenewworldfordedicatedstudies
• WFI:– Characteriza<onof(very)faintobjectsthroughlongintegra<ons
– EveryknownKuiperBeltObject– AlmosteveryknownNearEarthAsteroid
Non-siderealobserving
• Opensawholenewworldfordedicatedstudies
• IFU:– Spectraof(verysmall)NearEarthAsteroids– Separatespectraofbinarycomponents– Icecomposi<onsintheouterSolarSystem
Non-siderealobserving
• Opensawholenewworldfordedicatedstudies
• Coronagraphy:– SatellitesofKuiperBeltObjects– Ac<veasteroids 5arcsec
Non-siderealobserving
• Opensawholenewworldfordedicatedstudies
• Couldsaymuchmore,buttryingtostay“highlevel”
Otherassets
• JWST:Highlycomplementary• LSSTasteroidsinWFIRSTFOVwillbestronglydetected(andfurthercharacterized)
• NEOCam(proposedDiscoverymission):AddNIRcharacteriza<ontothermalIRdiscovery(butoverlapmightbesmallbecauseoforbits)