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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 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984253554493119 5.229e-07  
a 515.5611509793927 0.17117 AU
q .8118255569361958 8.4415e-08 AU
i 64.04094730143051 1.5166e-05 deg
node 70.71117830691169 7.0721e-06 deg
peri 67.16643032866612 6.3119e-06 deg
M .0003592474820925769 1.7854e-07 deg
tp 2456649.233124845930
(2013-Dec-22.73312485)
7.4858e-06 JED
period 4275813.003664584
11706.54
2129.4
5.83
d
yr
n 8.419451451489159E-5 4.193e-08 deg/d
Q 1030.310476401849 0.34207 AU
  Orbit Determination Parameters
   # obs. used (total)      3742  
   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      .81616  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-29 15:43:43  

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 11.1 mag 1. 59 from 436 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 15.   n/a 59 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 0.39672609978069 0.396725760030967 0.396726439530408 46.7527983892684 46.7526547362881 2456616.237828097 0.00620904806160847 16.9883995528792 10.102670988064 -10.209663024078 3494141.45364534 T 59 CATAB v2.0c-linF95 2014-Oct-29 15:43:53 2014-Oct-29 15:43

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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