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C/2015 VL62 (Lemmon-Yeung-PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003442
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2457830.5 (2017-Mar-18.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.0020302590701 1.7187e-06  
a -1339.864386915635 1.134 au
q 2.720271824239465 8.1113e-07 au
i 165.6140916297224 6.4735e-06 deg
node 94.54616338331486 3.7974e-05 deg
peri 128.3594215877329 5.1045e-05 deg
M -.003287574387243225 4.1727e-06 deg
tp 2457994.092270578257
(2017-Aug-28.59227058)
0.00010701 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.009614742568514E-5 2.5513e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      2100  
   data-arc span      987 days (2.70 yr)  
   first obs. used      2015-11-02  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .5545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-15 08:29:53  

Additional Information
 Earth MOID = 1.73786 au 
 Jupiter MOID = .857315 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.1   0.9 21 from 389 observations, assumed slope, autocmod 2.6q
comet total magnitude slope K1 9.   n/a 21 autocmod 2.6q
comet nuclear magnitude M2 11.9   0.9 21 from 1617 observations, autocmod 2.6q
comet nuclear magnitude slope K2 5.   n/a 21 autocmod 2.6q
comet nuclear phase coefficient PC 0.03   n/a 21 autocmod 2.6q

[ show close-approach data ]
Alternate Designations
 2015 VL62 = 2015 YY6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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