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P/2011 UA134 (Spacewatch-PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003157
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455886.5 (2011-Nov-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6326988855068414 2.5118e-05  
a 5.585351107613909 0.00048878 AU
q 2.051505686662187 3.9585e-05 AU
i 10.53946583096947 0.00037284 deg
node 40.63819290585288 0.00064517 deg
peri 32.32180486651102 0.0039721 deg
M 358.7908587495043 0.00072317 deg
tp 2455902.693796681151
(2011-Dec-07.19379668)
0.008251 JED
period 4821.410900359415
13.20
0.63289
0.001733
d
yr
n .07466694032926412 9.8012e-06 deg/d
Q 9.119196528565631 0.00079803 AU
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      95 days  
   first obs. used      2011-10-24  
   last obs. used      2012-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      .68322  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-18 11:57:24  

Additional Information
 Earth MOID = 1.07409 AU 
 T_jup = 2.509 
[ 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 15.7 mag 1. 13 from 83 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 13 autocmod 2.5c
comet nuclear magnitude M2 17.6 mag 0.4 13 from 21 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 13 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 13 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.9   P/2011 UA134       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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