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13474 V'yus (1973 QO1)
Classification: Main-belt Asteroid          SPK-ID: 2013474
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2921638621527018 6.4029e-08  
a 2.620482533879523 1.8506e-08 AU
q 1.854872236077583 1.7347e-07 AU
i 7.818101375559124 7.1292e-06 deg
node 317.3511441219763 4.4917e-05 deg
peri 36.34109617182149 4.6009e-05 deg
M 255.2211519805412 1.3413e-05 deg
tp 2457451.463559231806
(2016-Mar-03.96355923)
6.0929e-05 JED
period 1549.424186199298
4.24
1.6414e-05
4.494e-08
d
yr
n .2323443787740733 2.4613e-09 deg/d
Q 3.386092831681462 2.3913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      21452 days (58.73 yr)  
   first obs. used      1956-09-27  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4998  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:12:07  

Additional Information
 Earth MOID = .856098 AU 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO263470  
rotation period rot_per 6.587 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Published Reference List:
[Clark, M. (2008) Minor Planet Bul. 35, 152-154.]

13474 V'yus           Discovered 1973 Aug. 29 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Yurij Sergeevich Vasil'ev (b. 1929), rector of St. Petersburg State Technical University, is a prominent expert in the field of hydropower engineering. He made a significant contribution to the mastering and use of water-power resources, as well as to the development of higher education in Russia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1973 QO1 = 1956 SA = 1990 RT4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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