1. F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE Richard Wainscoat University of Hawaii, Institute for Astronomy for the PS1 Science Consortium

2. F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE Robert Jedicke University of Hawaii, Institute for Astronomy for the PS1 Science Consortium

3. F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE 2007 F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE 2008 F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE 2009 F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE 2010

4. PS4

5. PS1 prototype

7. 3 PI S URVEYING (original) 1 st night tracklet r 2 nd night tracklet g 3 rd night tracklet i TRACK single lunation

8. 3 PI S URVEYING (original) FIRST LUNATION SECOND LUNATION = 12 detections per derived object

9. R EPORTED D ETECTIONS >100 NEOs >70K Other Stuff

10. R EPORTED D ETECTIONS Heliocentric x (AU) Heliocentric y (AU)

11. P ROBLEMS Too few new derived objects No NEOs discovered

12. Camera Fill Factor physical

13. Camera Fill Factor overall

14. False Detections

15. TRACKLET D ETECTION E FFICIENCY V lim ≈21.5 (gri) ≈67% efficiency

16. 3 PI S URVEYING (modified) TRACK in a single lunation = 12 detections per derived object 1 st night 3-4 detection tracklet r g i 4 th night tracklet 3 rd night tracklet r 2 nd night 3-4 detection tracklet i g

17. TRACK in a single lunation = 12 detections per derived object 1 st night 3-4 detection tracklet r g i 4 th night tracklet 3 rd night tracklet r 2 nd night 3-4 detection tracklet i g 3 PI S URVEYING (modified) 3-4 detection tracklet w w

18. 2010 ST 3 chip gap removed by air force

19. ST3 ORBIT & DISCOVERY CIRCUMSTANCES @ Discovery ≈0.1 AU V≈22 Characteristics H≈25 or D≈60m MOID≈0.04AU

20. 22 NEO discoveries to date

21. WISE #1 LINEAR #2 CSS G96 #3 CSS 703 #4 Spacewatch #5 PS1 F51 #6 2010 O BSERVATIONS

22. WISE LINEAR CSS G96 CSS 703 Spacewatch PS1 F51 #1 #2 #3 #4 #6 #5 2010 N UMBERED O BJECTS

23. PS1 F51 #4 WISE LINEAR CSS G96 CSS 703 Spacewatch #1 #6 #2 #5 #3 2010 U N -N UMBERED O BJECTS

24. Funding provided by: Air Force Research Laboratory PS1 Science Consortium NASA NEOO Program

25. 2010 O BSERVATIONS

26. PS1 AT A GLANCE … 1.44 BILLION (!) pixels 60 ~5k X 5k OTA CCDs ~5 s second readout 6e- read-noise 10 m m pixels 0.26” per pixel image motion compensation w/ OTA CCDs 8,000 deg 2 /night 6 filters (g,r,i,z,y,w) 15-30 minute re-visit time 2 visits/night 6 visits/lunation opposition & sweet-spots 500-1000 NEOs/month Surveying 1.8m f/4 R-C + corrector ~7 square degree FOV r ~ 22.5 in 30 s integration A  ~ 12 Haleakala, Maui, Hawaii Telescope Camer a

27. PS1 AT A GLANCE … 1.44 BILLION (!) pixels 60 ~5k X 5k OTA CCDs ~7 s readout (13s btw exp.) 6e- read-noise 10 m m pixels 0.26” per pixel image motion compensation w/ OTA CCDs ≤3,000 deg 2 /night 6 filters (g,r,i,z,y,w) 15-30 minute re-visit time 2-4 visits/night 12-16 visits/lunation opposition & sweet-spots 100s of NEOs/month w/ dozens discovered Surveying 1.8m f/4 R-C + corrector ~7 square degree FOV V ≥ 22.0 in 40 s w integration A  ~ 12 Haleakala, Maui, Hawaii Telescope Camer a