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302P/Lemmon-PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283638923642468 2.8362e-07  
a 4.279490890508257 2.8602e-07 au
q 3.302209693414455 1.1339e-06 au
i 6.031157861717272 2.2667e-05 deg
node 121.7841474335471 0.00026922 deg
peri 208.3031557435771 0.00027915 deg
M 345.7868577145984 6.5463e-05 deg
tp 2457509.165687757205
(2016-Apr-30.66568776)
0.00059528 TDB
period 3233.602159868556
8.85
0.00032418
8.876e-07
d
yr
n .1113309498824165 1.1161e-08 deg/d
Q 5.25677208760206 3.5134e-07 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4576 days (12.53 yr)  
   first obs. used      2007-08-16  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-09 07:21:11  

Additional Information
 Earth MOID = 2.29381 au 
 Jupiter MOID = .13257 au 
 T_jup = 2.972 
[ 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   0.8 10 2 parameter fit from 112 observations, autocmod 2.8
comet total magnitude slope K1 6.75   n/a 10 autocmod 2.8
comet nuclear magnitude M2 15.1   0.5 10 from 16 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 10 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 10 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.3   302P/2014 K2       
 2007.5   302P/2007 RJ236       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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