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JPL Small-Body Database Browser
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348P/PANSTARRS (2017 A2)
Classification: Encke-type Comet          SPK-ID: 1003492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457132.5 (2015-Apr-20.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3012252052249531 3.3604e-06  
a 3.165855487770212 1.974e-06 au
q 2.212220018754086 9.2717e-06 au
i 17.58530590436938 9.716e-05 deg
node 313.7521989641652 0.00013634 deg
peri 133.710778303881 0.00086643 deg
M 284.9373225596711 0.00077589 deg
tp 2457561.499323660957
(2016-Jun-21.99932366)
0.004832 TDB
period 2057.47732141205
5.63
0.0019244
5.269e-06
d
yr
n .1749715519357129 1.6365e-07 deg/d
Q 4.119490956786339 2.5686e-06 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      2744 days (7.51 yr)  
   first obs. used      2009-09-18  
   last obs. used      2017-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .7104  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-06 22:19:43  

Additional Information
 Earth MOID = 1.26345 au 
 Jupiter MOID = 1.28604 au 
 T_jup = 3.062 
[ 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 13.5   1. 5 from 41 observations, assumed slope, autocmod 2.6i
comet total magnitude slope K1 14.   n/a 5 autocmod 2.6i
comet nuclear magnitude M2 18.0   1. 5 from 4 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.6i

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.5   348P/2017 A2       
 2010.8   348P/2011 A5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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