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JPL Small-Body Database Browser
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C/2013 R1 (Lovejoy)
Classification: Comet          SPK-ID: 1003274
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456655.5 (2013-Dec-29.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984249021176379 5.3256e-07  
a 515.4127853505594 0.17423 au
q .8118255867480164 8.6569e-08 au
i 64.04094115192524 1.559e-05 deg
node 70.71117565957081 7.2333e-06 deg
peri 67.16645232511725 6.4868e-06 deg
M .0005278637942797343 2.6729e-07 deg
tp 2456649.233131491048
(2013-Dec-22.73313149)		 7.6853e-06 TDB
period 4273967.428095941
11701.49		 2167.1
5.933		 d
yr
n 8.423087121194572E-5 4.271e-08 deg/d
Q 1030.013745114371 0.34818 au
   Orbit Determination Parameters
   # obs. used (total)      3781  
   data-arc span      372 days (1.02 yr)  
   first obs. used      2013-09-07  
   last obs. used      2014-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .79787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:47:10  

Additional Information
 Earth MOID = .146111 au 
 Jupiter MOID = 1.56422 au 
 T_jup = 0.499 
[ 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 11.6   0.9 68 2 parameter fit from 485 observations, autocmod 2.8
comet total magnitude slope K1 7.   n/a 68 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2014.0   C/2013 R1       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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