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312P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1003074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457971.5 (2017-Aug-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4301261061854049 5.7371e-07  
a 3.459246839177721 1.9532e-07 au
q 1.971334465908038 1.9238e-06 au
i 19.79185944544108 3.4893e-05 deg
node 144.8876997553336 5.3507e-05 deg
peri 207.6864557938608 0.00036967 deg
M 184.4714827422957 0.00014473 deg
tp 2459117.318789066244
(2020-Sep-24.81878907)
0.00085145 TDB
period 2350.01565847126
6.43
0.00019904
5.449e-07
d
yr
n .1531904686261488 1.2975e-08 deg/d
Q 4.947159212447404 2.7934e-07 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7082 days (19.39 yr)  
   first obs. used      2001-08-18  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .41295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:13:05  

Additional Information
 Earth MOID = .982589 au 
 Jupiter MOID = .643614 au 
 T_jup = 2.889 
[ 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 16.9   0.6 19 2 parameter fit from 143 observations, autocmod 2.8
comet total magnitude slope K1 7.5   n/a 19 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.3   312P/2014 R2       
 2001.4   312P/2001 Q11       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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