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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
252P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000298
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457552.5 (2016-Jun-13.0) TDB
Reference: JPL K212/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6730850153945767 6.4796e-07  
a 3.046804058107118 6.0511e-06 au
q .9960459017518297 4.847e-07 au
i 10.42219597127401 1.3401e-05 deg
node 190.9484957698451 4.375e-05 deg
peri 343.3104746438897 6.3183e-05 deg
M 16.6305339416182 4.7152e-05 deg
tp 2457462.763545375661
(2016-Mar-15.26354538)
4.6411e-05 TDB
period 1942.518729595199
5.32
0.0057869
1.584e-05
d
yr
n .1853263984100788 5.521e-07 deg/d
Q 5.097562214462405 1.0124e-05 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.085035621804432E-8 4.742E-10
A2 [EST] -7.189434717428161E-9 2.765E-10
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      1972 days (5.40 yr)  
   first obs. used      2016-04-05  
   last obs. used      2021-08-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .5772  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Sep-07 14:01:25  

Additional Information
 Earth MOID = .0122062 au 
 Jupiter MOID = .201204 au 
 T_jup = 2.821 
 Not valid before 2016-04-01 
[ 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 16.4   1. K212/2 2 parameter fit from 237 observations, autocmod 2.9e
comet total magnitude slope K1 16.5   n/a K212/2 autocmod 2.9e

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.9   252P/2011 L5       
 2000.2   252P/2000 G1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 00:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin