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355P/LINEAR-NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455660.5 (2011-Apr-09.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5081262313809466 4.0708e-07  
a 3.471886344031904 3.5804e-06 au
q 1.707729820256 9.1258e-07 au
i 11.04416092713477 1.7185e-05 deg
node 51.44170395054608 4.1867e-05 deg
peri 336.4021646301523 0.000243 deg
M 357.6225006618678 0.0011204 deg
tp 2455676.105029006439
(2011-Apr-24.60502901)
0.0073663 TDB
period 2362.907258149457
6.47
0.0036552
1.001e-05
d
yr
n .1523546888090475 2.3568e-07 deg/d
Q 5.236042867807809 5.3998e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.775814336288605E-9 4.924E-10
A2 [EST] -9.390978604220492E-10 2.131E-10
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      4984 days (13.65 yr)  
   first obs. used      2004-07-16  
   last obs. used      2018-03-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .82122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:34  

Additional Information
 Earth MOID = .718221 au 
 Jupiter MOID = .311282 au 
 T_jup = 2.880 
[ 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 12.0   1. 36 2 parameter fit from 394 observations, autocmod 2.9c
comet total magnitude slope K1 20.75   n/a 36 autocmod 2.9c
comet nuclear magnitude M2 16.2   0.9 36 from 454 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 36 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 36 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.8   355P/2017 M2       
 2004.8   355P/2004 T1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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