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C/2008 R3 (LINEAR)
Classification: Halley-type Comet*          SPK-ID: 1002992
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454772.5 (2008-Nov-02.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8963515096364288 3.3804e-05  
a 18.41817649651357 0.0061079 au
q 1.90901618911344 1.0535e-05 au
i 43.23785261553327 5.1881e-05 deg
node 270.553144162167 0.00042227 deg
peri 84.16042528214604 0.00043079 deg
M 359.7444725164443 0.00012085 deg
tp 2454792.992903250784
(2008-Nov-22.49290325)
0.00059334 TDB
period 28871.43514906536
79.05
14.362
0.03932
d
yr
n .01246907187471954 6.2026e-06 deg/d
Q 34.9273368039137 0.011583 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      176 days  
   first obs. used      2008-09-07  
   last obs. used      2009-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .46916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:23  

Additional Information
 Earth MOID = 1.31943 au 
 Jupiter MOID = .696872 au 
 T_jup = 1.498 
[ 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 13.4   0.9 31 2 parameter fit from 66 observations, autocmod 2.9c
comet total magnitude slope K1 8.5   n/a 31 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.9   C/2008 R3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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