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31338 Lipperhey (1998 HX147)
Classification: Outer Main-belt Asteroid          SPK-ID: 2031338
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0598447739325985 7.2632e-08  
a 3.984781624580131 9.2327e-08 au
q 3.74631326908636 2.8673e-07 au
i 9.564735390687451 7.7427e-06 deg
node 53.27845098111465 4.7041e-05 deg
peri 160.5450326108592 9.0586e-05 deg
M 102.1378339576409 7.3205e-05 deg
tp 2456576.192296265762
(2013-Oct-10.69229627)
0.00059634 JED
period 2905.395208081226
7.95
0.00010098
2.765e-07
d
yr
n .1239074116315317 4.3064e-09 deg/d
Q 4.223249980073901 9.7852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      13494 days (36.94 yr)  
   first obs. used      1978-11-05  
   last obs. used      2015-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63671  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 17:06:56  

Additional Information
 Earth MOID = 2.74033 au 
 Jupiter MOID = .759953 au 
 T_jup = 3.029 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO299181  

31338 Lipperhey           Discovered 1998 Apr. 25 by E. W. Elst at the European Southern Observatory.
Dutch lensmaker Hans Lipperhey (1570-1619), known for his invention of Dutch perspective glass, was the first to design and seek a patent for a practical telescope, which he made available for general use in 1608.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1998 HX147 = 1978 VM6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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