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 ]  
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283638923013047 2.8362e-07  
a 4.279490890706463 2.8603e-07 au
q 3.302209693836758 1.1339e-06 au
i 6.031157757681832 2.2667e-05 deg
node 121.7841474428912 0.00026922 deg
peri 208.3031559116638 0.00027915 deg
M 345.7868575851746 6.5463e-05 deg
tp 2457509.165688928588
(2016-Apr-30.66568893)
0.00059528 TDB
period 3233.602160093203
8.85
0.00032418
8.876e-07
d
yr
n .111330949874682 1.1161e-08 deg/d
Q 5.256772087576168 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:18  

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 11 2 parameter fit from 112 observations, autocmod 2.9c
comet total magnitude slope K1 6.75   n/a 11 autocmod 2.9c
comet nuclear magnitude M2 15.1   0.5 11 from 16 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 11 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 11 autocmod 2.9c

[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 15:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin