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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 2456652.5 (2013-Dec-26.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984256816889746 5.2754e-07  
a 515.6679772127045 0.17276 AU
q .8118255389353848 8.4582e-08 AU
i 64.04094916438162 1.5195e-05 deg
node 70.71118191176133 7.1187e-06 deg
peri 67.16641795062657 6.318e-06 deg
M .0002749680688447084 1.3781e-07 deg
tp 2456649.233118107487
(2013-Dec-22.73311811)
7.5219e-06 JED
period 4277142.019602589
11710.18
2149.4
5.885
d
yr
n 8.416835315499984E-5 4.2297e-08 deg/d
Q 1030.524128886474 0.34525 AU
  Orbit Determination Parameters
   # obs. used (total)      3732  
   data-arc span      351 days  
   first obs. used      2013-09-07  
   last obs. used      2014-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .81575  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-24 20:15:02  

Additional Information
 Earth MOID = .146178 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 01. 53 2 parameter fit from 475 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 53 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 0.396726114530636 0.396725773562502 0.396726455498779 46.7528005170606 46.7526568640922 2456616.237828532 0.00622495598181102 17.0584166191659 10.1045426850376 -10.2933496124936 3482508.14447561 T 53 CATAB v2.0c-linF95 2014-Aug-24 20:15:10 2014-Aug-24 20:15

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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