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 ]  
P/2011 W1 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003159
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455920.5 (2011-Dec-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2887106872279189 8.8197e-06  
a 4.65642791386145 8.2244e-05 AU
q 3.312067410823246 2.3513e-05 AU
i 3.718582838056137 2.0468e-05 deg
node 161.8853742982175 0.0013881 deg
peri 282.46915409 0.0030869 deg
M 357.2017133745827 0.001327 deg
tp 2455949.027745332082
(2012-Jan-22.52774533)
0.01411 JED
period 3670.098776253129
10.05
0.097235
0.0002662
d
yr
n .0980900030073661 2.5988e-06 deg/d
Q 6.000788416899655 0.00010599 AU
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      444 days (1.22 yr)  
   first obs. used      2011-11-23  
   last obs. used      2013-02-09  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      3  
   fit RMS      .65682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Mar-01 08:51:07  

Additional Information
 Earth MOID = 2.33067 AU 
 T_jup = 2.925 
[ 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 6.2 mag 0.7 15 from 81 observations, assumed slope, autocmod 2.5b
comet total magnitude slope K1 21.   n/a 15 autocmod 2.5b
comet nuclear magnitude M2 14.4 mag 0.7 15 from 63 observations, autocmod 2.5b
comet nuclear magnitude slope K2 5.   n/a 15 autocmod 2.5b
comet nuclear phase coefficient PC 0.03   n/a 15 autocmod 2.5b

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.1   P/2011 W1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-25 06:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin