Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
C/2011 U3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003156
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455872.5 (2011-Nov-07.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000513026840093 7.7258e-05  
a -2088.876303231221 314.06 AU
q 1.071649609191908 0.00026945 AU
i 116.7805493891098 0.0056158 deg
node 228.3788883780853 5.0812e-05 deg
peri 287.8144583261267 0.011881 deg
M -.002166959131549175 0.00048876 deg
tp 2456082.401591534969
(2012-Jun-03.90159154)
0.0072629 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.032369081007262E-5 2.3282e-06 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      94 days  
   first obs. used      2011-10-24  
   last obs. used      2012-01-26  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .6102  
   data source      ORB  
   producer      Otto Matic  
   solution date      2012-Jan-27 19:50:31  

Additional Information
 Earth MOID = .469295 AU 
 T_jup = -0.572 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.1 mag 0.6 6 2 parameter fit from 48 observations, autocmod 2.5b
comet total magnitude slope K1 14.   n/a 6 autocmod 2.5b

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-18 03:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin