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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9984480062523416 7.7051e-07  
a 523.0862975349712 0.25968 AU
q .8118266632600325 7.9627e-08 AU
i 64.04113010089767 1.5954e-05 deg
node 70.71130760366619 9.0974e-06 deg
peri 67.16578017581226 9.7267e-06 deg
M 359.9976328790843 1.7635e-06 deg
tp 2456649.232696429059
(2013-Dec-22.73269643)
1.1308e-05 JED
period 4369768.627381365
11963.77
3253.9
8.909
d
yr
n 8.238422458896508E-5 6.1347e-08 deg/d
Q 1045.360768406682 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-12 18:12:27  

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 40 2 parameter fit from 435 observations, autocmod 2.5c
comet total magnitude slope K1 7.   n/a 40 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 0.396726228002856 0.396725831566203 0.39672662443953 46.752908550446 46.7527648978506 2456616.237831486 0.00594836861625713 20.1853190012414 8.08972226317535 -8.6532108525916 3024149.33989123 T 40 CATAB v2.0c-linF95 2014-Apr-12 18:12:33 2014-Apr-12 18:12

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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