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6659 Pietsch (1992 YN)
Classification: Main-belt Asteroid          SPK-ID: 2006659
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081860932397531 5.1925e-08  
a 2.371894186486414 1.3944e-08 AU
q 2.115288220872367 1.1853e-07 AU
i 5.213333426656428 5.2029e-06 deg
node 258.8358666131473 6.4676e-05 deg
peri 159.4855387770779 7.1186e-05 deg
M 37.25707353313984 2.8508e-05 deg
tp 2456862.414641748502
(2014-Jul-23.91464175)
0.00010558 JED
period 1334.26284612295
3.65
1.1766e-05
3.221e-08
d
yr
n .2698119047877817 2.3792e-09 deg/d
Q 2.628500152100462 1.5452e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      13587 days (37.20 yr)  
   first obs. used      1977-11-09  
   last obs. used      2015-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:17:38  

Additional Information
 Earth MOID = 1.12823 AU 
 T_jup = 3.531 
[ 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 13.1 mag n/a PDS3 (MPC 25948)  

6659 Pietsch           Discovered 1992 Dec. 24 by T. Urata at Oohira.
Wolfgang Pietsch (b. 1948), at the Max-Planck-Institut für extraterrestrische Physik, started his career in the Astronomisches Institut Tübingen/MPE hard-x-ray group, building and analyzing balloon and space-based experiments that led to the detection of the cyclotron line in Her X-1 and hard x-ray emission from SN 1987A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1992 YN = 1977 VH1 = 1988 UO1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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