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180P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000341
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455718.5 (2011-Jun-06.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3555557371408392 2.2349e-07  
a 3.850335746394252 3.0717e-07 au
q 2.48132678184532 7.0294e-07 au
i 16.88504050722502 1.1278e-05 deg
node 84.65130100818102 4.7893e-05 deg
peri 95.30370207650452 0.00021511 deg
M 144.3386216484461 9.1848e-05 deg
tp 2454612.063786349759
(2008-May-25.56378635)
0.00061817 TDB
period 2759.60122360206
7.56
0.00033024
9.041e-07
d
yr
n .1304536310975027 1.5611e-08 deg/d
Q 5.219344710943184 4.1639e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -1.462411030420332E-8 1.963E-9
A2 [EST] 6.959344482443199E-10 3.893E-11
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      22332 days (61.14 yr)  
   first obs. used      1955-05-14  
   last obs. used      2016-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 13:40:46  

Additional Information
 Earth MOID = 1.55337 au 
 Jupiter MOID = .931875 au 
 T_jup = 2.890 
[ 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 5.6   0.8 47 2 parameter fit from 270 observations, autocmod 2.8
comet total magnitude slope K1 26.25   n/a 47 autocmod 2.8
comet nuclear magnitude M2 14.6   0.7 47 from 440 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 47 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 47 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.4   180P/2006 U3       
 2000.8   180P/2001 K1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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