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P/2016 WM48 (Lemmon)
Classification: Halley-type Comet*          SPK-ID: 1003518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457760.5 (2017-Jan-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7867006067571972 5.9463e-06  
a 8.19538010351194 0.00023504 au
q 1.748069603473235 1.777e-06 au
i 117.5476690446145 6.1121e-05 deg
node 59.87448337283545 2.4119e-05 deg
peri 35.85683956528158 0.00017706 deg
M 357.866504350399 9.7741e-05 deg
tp 2457811.285687886772
(2017-Feb-26.78568789)
0.00037964 TDB
period 8569.432819165719
23.46
0.36865
0.001009
d
yr
n .04200978146358209 1.8072e-06 deg/d
Q 14.64269060355064 0.00041995 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      258 days  
   first obs. used      2016-11-30  
   last obs. used      2017-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .43555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:28  

Additional Information
 Earth MOID = .863799 au 
 Jupiter MOID = 1.51702 au 
 T_jup = -0.082 
[ 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 17.4   0.7 15 2 parameter fit from 147 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 15 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.2   P/2016 WM48       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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