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 ]  
256P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455448.5 (2010-Sep-09.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4179395800629077 1.1164e-06  
a 4.621014694821357 1.4171e-07 au
q 2.689709753803193 5.1137e-06 au
i 27.64210650778099 4.0948e-05 deg
node 81.44882392733858 8.5402e-05 deg
peri 124.2035358831343 0.00039427 deg
M 268.6160975455251 0.00014786 deg
tp 2456369.525491956310
(2013-Mar-18.02549196)
0.001513 TDB
period 3628.310547029339
9.93
0.0001669
4.569e-07
d
yr
n .09921973197546394 4.564e-09 deg/d
Q 6.55231963583952 2.0093e-07 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      3804 days (10.41 yr)  
   first obs. used      2003-01-27  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .89328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:04  

Additional Information
 Earth MOID = 1.78074 au 
 Jupiter MOID = .0480634 au 
 T_jup = 2.643 
[ 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 13.0   0.4 44 2 parameter fit from 64 observations, autocmod 2.8
comet total magnitude slope K1 9.5   n/a 44 autocmod 2.8
comet nuclear magnitude M2 15.6   0.6 44 from 108 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 44 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 44 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.2   256P/2012 B2       
 2003.3   256P/2003 HT15       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-07 09:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin