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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081860619330851 5.5861e-08  
a 2.371894197323707 1.5682e-08 AU
q 2.11528830479332 1.3077e-07 AU
i 5.213335022507561 5.4431e-06 deg
node 258.8358335043359 7.4731e-05 deg
peri 159.4855849911373 8.0917e-05 deg
M 37.2570530166396 3.1572e-05 deg
tp 2456862.414716842136
(2014-Jul-23.91471684)
0.00011668 JED
period 1334.262855267412
3.65
1.3232e-05
3.623e-08
d
yr
n .2698119029386073 2.6758e-09 deg/d
Q 2.628500089854096 1.7378e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      13142 days (35.98 yr)  
   first obs. used      1977-11-09  
   last obs. used      2013-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47825  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:46:00  

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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