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JPL Small-Body Database Browser
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P/2015 B4 (Lemmon-PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457346.5 (2015-Nov-20.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5689119243696948 2.515e-05  
a 8.711299674132487 0.00052602 au
q 3.755337412760678 5.9893e-05 au
i 1.742618396817861 2.8773e-05 deg
node 266.6510805028153 0.0018749 deg
peri 227.7785278874832 0.0042947 deg
M 10.55511316598339 0.0013291 deg
tp 2457071.151160114954
(2015-Feb-17.65116011)
0.021114 TDB
period 9391.238236845686
25.71
0.85062
0.002329
d
yr
n .03833360318637984 3.4721e-06 deg/d
Q 13.6672619355043 0.00082529 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      467 days (1.28 yr)  
   first obs. used      2015-01-16  
   last obs. used      2016-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:05  

Additional Information
 Earth MOID = 2.77045 au 
 Jupiter MOID = .134445 au 
 T_jup = 2.725 
[ 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 15.2   0.6 10 2 parameter fit from 74 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 10 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.1   P/2015 B4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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