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215P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456592.5 (2013-Oct-27.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188981788441181 2.0024e-07  
a 4.239507355330181 2.7337e-07 au
q 3.311486916052161 9.3087e-07 au
i 11.66974029020671 6.9031e-06 deg
node 73.30014608164731 6.2061e-05 deg
peri 240.5362879645961 5.6813e-05 deg
M 126.7306595772203 3.4039e-05 deg
tp 2455470.092110018843
(2010-Sep-30.59211002)
0.00034046 TDB
period 3188.390573687561
8.73
0.00030839
8.443e-07
d
yr
n .1129096300092366 1.0921e-08 deg/d
Q 5.1675277946082 3.3321e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.264093350114217E-8 1.105E-9
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:13:01  

Additional Information
 Earth MOID = 2.31921 au 
 Jupiter MOID = .451285 au 
 T_jup = 2.952 
[ 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 9.5   0.7 68 2 parameter fit from 513 observations, autocmod 2.8
comet total magnitude slope K1 11.25   n/a 68 autocmod 2.8
comet nuclear magnitude M2 13.5   0.7 68 from 89 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 68 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 68 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.7   215P/2009 B5       
 2002.0   215P/2002 O8       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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