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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 2457521.5 (2016-May-13.0) TDB
Reference: JPL K212/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6731023027853387 2.0921e-06  
a 3.046997043281076 1.9174e-05 au
q .9960563168684656 3.0846e-07 au
i 10.42235707347085 1.8495e-05 deg
node 190.9498787310189 6.1167e-05 deg
peri 343.3108974421889 4.9419e-05 deg
M 10.88408111266005 0.00011045 deg
tp 2457462.765166095027
(2016-Mar-15.26516609)
5.9781e-05 TDB
period 1942.70329180068
5.32
0.018338
5.021e-05
d
yr
n .1853087918877814 1.7492e-06 deg/d
Q 5.097937769693687 3.208e-05 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.11646784726644E-8 5.817E-10
A2 [EST] -7.087052457409711E-9 5.549E-10
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      1744 days (4.77 yr)  
   first obs. used      2016-04-05  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .35293  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Feb-01 11:58:17  

Additional Information
 Earth MOID = .0121902 au 
 Jupiter MOID = .20104 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 17.1   1. K212/1 2 parameter fit from 221 observations, autocmod 2.9a
comet total magnitude slope K1 11.25   n/a K212/1 autocmod 2.9a

[ 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 ]
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