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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 2456650.5 (2013-Dec-24.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984265017930695 5.394e-07  
a 515.9367140598575 0.17683 AU
q .8118254944628179 8.5066e-08 AU
i 64.04095443065385 1.527e-05 deg
node 70.7111912109588 7.242e-06 deg
peri 67.16639393764559 6.3413e-06 deg
M .0001065492578846722 5.4399e-08 deg
tp 2456649.233103882086
(2013-Dec-22.73310388)
7.6153e-06 JED
period 4280485.960237271
11719.33
2200.6
6.025
d
yr
n 8.410260034588336E-5 4.3237e-08 deg/d
Q 1031.061602625252 0.35338 AU
  Orbit Determination Parameters
   # obs. used (total)      3706  
   data-arc span      313 days  
   first obs. used      2013-09-07  
   last obs. used      2014-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .81574  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-28 13:13:25  

Additional Information
 Earth MOID = .146191 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 mag 0.9 50 2 parameter fit from 466 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 50 autocmod 2.5c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2013-Nov-19 17:42 < 00:01 Earth 0.39672616073904 0.39672581656499 0.3967265049131 46.75280705511 46.7526634021784 2456616.237830180 0.00626880607794642 17.2419373910333 10.1088625698702 -10.4893353532526 3452274.85634437 T 50 CATAB v2.0c-linF95 2014-Jul-28 13:13:35 2014-Jul-28 13:13

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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