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310P/Hill
Classification: Jupiter-family Comet          SPK-ID: 1002419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454608.5 (2008-May-22.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .424663107414368 2.4111e-07  
a 4.16645635942 8.3242e-07 au
q 2.397116054922347 1.3239e-06 au
i 13.17925448445525 2.4958e-05 deg
node 9.047678233059186 8.4119e-05 deg
peri 31.21278505095711 0.00053519 deg
M 67.42780160989953 0.00021157 deg
tp 2454026.684640200012
(2006-Oct-18.18464020)
0.0016537 TDB
period 3106.337809139612
8.50
0.00093092
2.549e-06
d
yr
n .1158920961335214 3.4731e-08 deg/d
Q 5.935796663917652 1.1859e-06 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      3447 days (9.44 yr)  
   first obs. used      2006-08-29  
   last obs. used      2016-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   norm. resid. RMS      .644  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:58:23  

Additional Information
 Earth MOID = 1.41612 au 
 Jupiter MOID = .157359 au 
 T_jup = 2.826 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.6   0.6 28 2 parameter fit from 135 observations, autocmod 2.6f
comet total magnitude slope K1 18.   n/a 28 autocmod 2.6f
comet nuclear magnitude M2 15.9   0.6 28 from 105 observations, autocmod 2.6f
comet nuclear magnitude slope K2 5.   n/a 28 autocmod 2.6f
comet nuclear phase coefficient PC 0.03   n/a 28 autocmod 2.6f

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.3   310P/2014 Q5       
 2006.8   310P/2006 S6       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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