Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5081262290052029 4.0708e-07  
a 3.47188633634002 3.5804e-06 au
q 1.707729824720876 9.1258e-07 au
i 11.04416127582883 1.7185e-05 deg
node 51.44170344477698 4.1867e-05 deg
peri 336.4021661918315 0.000243 deg
M 357.6224945991708 0.0011204 deg
tp 2455676.105068747888
(2011-Apr-24.60506875)
0.0073663 TDB
period 2362.907250297006
6.47
0.0036552
1.001e-05
d
yr
n .1523546893153549 2.3568e-07 deg/d
Q 5.236042847959164 5.3998e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.777810107208764E-9 4.924E-10
A2 [EST] -9.402096376840678E-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .82133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 08:46:24  

Additional Information
 Earth MOID = .718221 au 
 Jupiter MOID = .311281 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. 35 2 parameter fit from 394 observations, autocmod 2.8
comet total magnitude slope K1 20.75   n/a 35 autocmod 2.8
comet nuclear magnitude M2 16.2   0.9 35 from 454 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 35 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 35 autocmod 2.8

[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-05 11:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin