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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 2456776.5 (2014-Apr-29.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2152376422948778 1.9889e-07  
a 4.27188621559281 2.5204e-07 au
q 3.352415498396625 9.7856e-07 au
i 10.76260559349003 7.8605e-06 deg
node 70.30925311478488 5.7028e-05 deg
peri 245.6840198965791 4.5811e-05 deg
M 144.5451658062801 2.8786e-05 deg
tp 2455481.621522447820
(2010-Oct-12.12152245)
0.00033798 TDB
period 3224.986801312531
8.83
0.00028541
7.814e-07
d
yr
n .1116283638288021 9.8792e-09 deg/d
Q 5.191356932788994 3.0629e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.33438324722891E-8 1.061E-9
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9652 days (26.43 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:56  

Additional Information
 Earth MOID = 2.35786 au 
 Jupiter MOID = .471104 au 
 T_jup = 2.957 
[ 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 9.4   0.6 70 2 parameter fit from 610 observations, autocmod 2.9c
comet total magnitude slope K1 11.25   n/a 70 autocmod 2.9c
comet nuclear magnitude M2 13.5   0.7 70 from 89 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 70 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 70 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.8   215P/2009 B5       
 2001.9   215P/2002 O8       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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