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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 2456653.5 (2013-Dec-27.0) TDB
Reference: JPL 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984254232918265 5.261e-07  
a 515.5833615515726 0.17223 AU
q .8118255522209098 8.453e-08 AU
i 64.0409480407445 1.5186e-05 deg
node 70.7111790783519 7.1041e-06 deg
peri 67.16643021837888 6.3161e-06 deg
M .0003592243269860282 1.7963e-07 deg
tp 2456649.233124151987
(2013-Dec-22.73312415)
7.5108e-06 JED
period 4276089.312137328
11707.29
2142.6
5.866
d
yr
n 8.41890741098811E-5 4.2185e-08 deg/d
Q 1030.354897550924 0.34419 AU
  Orbit Determination Parameters
   # obs. used (total)      3735  
   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      .81552  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:32:57  

Additional Information
 Earth MOID = .146162 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. 55 2 parameter fit from 475 observations, autocmod 2.6
comet total magnitude slope K1 7.   n/a 55 autocmod 2.6

[ 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 0.396726109183213 0.396725768597556 0.396726449768872 46.7527997114977 46.7526560585249 2456616.237828188 0.00621993456129285 17.0364381347161 10.1039850764505 -10.2675809064305 3486152.40794292 T 55 CATAB v2.0c-linF95 2014-Sep-12 13:33:05 2014-Sep-12 13:33

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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