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P/2012 WA34 (Lemmon-PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003230
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456238.5 (2012-Nov-07.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3402460300520941 3.2522e-05  
a 4.809713518053845 0.00015404 AU
q 3.173227587848133 0.00012119 AU
i 6.116704768575779 0.00011964 deg
node 94.5289465966368 0.00046792 deg
peri 353.240828409624 0.0077458 deg
M 352.6027512118931 0.003341 deg
tp 2456317.667141708100
(2013-Jan-25.16714171)
0.035267 JED
period 3852.806878786847
10.55
0.18509
0.0005067
d
yr
n .09343837138116692 4.4889e-06 deg/d
Q 6.446199448259557 0.00020645 AU
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      480 days (1.31 yr)  
   first obs. used      2011-09-26  
   last obs. used      2013-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .36434  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-18 12:01:55  

Additional Information
 Earth MOID = 2.18922 AU 
 T_jup = 2.880 
[ 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 12.7 mag 0.6 6 from 29 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 12.   n/a 6 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.1   P/2012 WA34       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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