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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 2456654.5 (2013-Dec-28.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984250592944743 5.1901e-07  
a 515.4642175858219 0.16983 au
q .811825578517848 8.4265e-08 au
i 64.04094538801716 1.5141e-05 deg
node 70.71117523833897 7.0312e-06 deg
peri 67.16644252804937 6.3047e-06 deg
M .0004435665588673567 2.1885e-07 deg
tp 2456649.233131114998
(2013-Dec-22.73313111)
7.4558e-06 JED
period 4274607.182837059
11703.24
2112.6
5.784
d
yr
n 8.421826488418238E-5 4.1622e-08 deg/d
Q 1030.116609593126 0.3394 au
  Orbit Determination Parameters
   # obs. used (total)      3751  
   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-BIG16  
   fit RMS      .81596  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:34:11  

Additional Information
 Earth MOID = .14614 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 mag 0.9 65 2 parameter fit from 480 observations, autocmod 2.6f
comet total magnitude slope K1 7.   n/a 65 autocmod 2.6f

[ 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 0.396726095036436 0.396725756409283 0.396726433663585 46.7527965201056 46.7526528671178 2456616.237827853 0.00619355659020257 16.9248701512401 10.0975696546659 -10.1415987960942 3505065.09313612 T 65 CATAB v2.0c-linF95 2016-Feb-25 17:34:21 2016-Feb-25 17:34

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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