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173002 Dorfi (2006 OS)
Classification: Main-belt Asteroid          SPK-ID: 2173002
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375305113663737 7.6533e-08  
a 2.552637973629531 2.5822e-08 au
q 2.201572367783037 1.912e-07 au
i 2.763939285352774 8.4302e-06 deg
node 35.77238758231366 0.00017741 deg
peri 281.6097680329626 0.00018035 deg
M 148.7670142043954 3.7215e-05 deg
tp 2456984.917292837052
(2014-Nov-23.41729284)
0.00015006 JED
period 1489.643223424416
4.08
2.2603e-05
6.188e-08
d
yr
n .2416686051660251 3.667e-09 deg/d
Q 2.903703579476024 2.9373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6382 days (17.47 yr)  
   first obs. used      1998-08-17  
   last obs. used      2016-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59184  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 08:39:33  

Additional Information
 Earth MOID = 1.18976 au 
 Jupiter MOID = 2.36386 au 
 T_jup = 3.424 
[ 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 16.2 mag n/a MPO359899  

173002 Dorfi           Discovered 2006 July 17 by W. Ries at Altschwendt.
Ernst Dorfi (b. 1956) is a professor of theoretical astrophysics at the University of Vienna and one of the most respected astronomical specialists in Austria. In addition to his research, he promotes astronomy at conventions and on television shows.
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
 2006 OS = 2006 ND1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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