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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 2456620.5 (2013-Nov-24.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984480062522063 7.7051e-07  
a 523.0862974893489 0.25968 AU
q .8118266632600194 7.9627e-08 AU
i 64.04113010089758 1.5954e-05 deg
node 70.71130760366611 9.0974e-06 deg
peri 67.16578017581594 9.7267e-06 deg
M 359.9976328790841 1.7635e-06 deg
tp 2456649.232696429062
(2013-Dec-22.73269643)
1.1308e-05 JED
period 4369768.626809685
11963.77
3253.9
8.909
d
yr
n 8.238422459974309E-5 6.1347e-08 deg/d
Q 1045.360768315438 0.51895 AU
  Orbit Determination Parameters
   # obs. used (total)      3076  
   data-arc span      217 days  
   first obs. used      2013-09-07  
   last obs. used      2014-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .94952  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:33:44  

Additional Information
 Earth MOID = .146051 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 11.7 mag 0.9 41 2 parameter fit from 435 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 41 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 0.396726228002857 0.396725831566204 0.396726624439526 46.7529085455356 46.7527648929402 2456616.237831670 0.00594836861539178 20.1853189944025 8.08972226339153 -8.65321086548833 3024149.34123255 T 41 CATAB v2.0c-linF95 2014-Apr-17 13:33:50 2014-Apr-17 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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