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281P/MOSS (2013 CE31)
Classification: Jupiter-family Comet          SPK-ID: 1003234
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455430.5 (2010-Aug-22.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735992815756038 1.5385e-06  
a 4.862122716926783 1.6684e-05 AU
q 4.018061706335871 1.1272e-05 AU
i 4.721092122703737 7.2616e-05 deg
node 87.18681736250591 0.0013107 deg
peri 26.01457121473731 0.025349 deg
M 302.3911492658 0.018554 deg
tp 2456057.148510071162
(2012-May-09.64851007)
0.20505 JED
period 3915.951468403324
10.72
0.020156
5.518e-05
d
yr
n .09193168069235165 4.7319e-07 deg/d
Q 5.706183727517695 1.9581e-05 AU
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2000-11-17  
   last obs. used      2013-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .63008  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:42:14  

Additional Information
 Earth MOID = 3.0367 AU 
 T_jup = 2.968 
[ 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 11.3 mag 0.6 9 from 56 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 9 autocmod 2.5c
comet nuclear magnitude M2 14.4 mag 0.6 9 from 40 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 9 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 9 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.4   281P/2013 CE31       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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