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11268 Spassky (1985 UF5)
Classification: Main-belt Asteroid          SPK-ID: 2011268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015137182497318 4.2192e-08  
a 2.415559168659749 8.6831e-09 au
q 1.928790858930892 1.0141e-07 au
i 4.119231997905759 5.0506e-06 deg
node 205.1356501097514 5.0066e-05 deg
peri 225.0663482288728 5.1471e-05 deg
M 57.79484445972255 9.9083e-06 deg
tp 2458780.353621642054
(2019-Oct-23.85362164)
3.7746e-05 TDB
period 1371.276226274682
3.75
7.3939e-06
2.024e-08
d
yr
n .2625291630541898 1.4156e-09 deg/d
Q 2.902327478388606 1.0433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      14068 days (38.52 yr)  
   first obs. used      1981-10-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:31:13  

Additional Information
 Earth MOID = .945604 au 
 Jupiter MOID = 2.40067 au 
 T_jup = 3.485 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO358740  
rotation period rot_per 5.646 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Casalnuovo, G.B. (2016) Minor Planet Bull. 43, 112-115.]
[Hayes-Gehrke, M.N.; (2016) Minor Planet Bull. 43, 141.]

11268 Spassky           Discovered 1985 Oct. 22 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Igor' Dmitrievich Spassky (b. 1926) is a specialist on shipbuilding and a great authority on creation of ice-resistant oil-and-gas production platforms and high-speed railway transport. He is an honored citizen of Saint Petersburg.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 1985 UF5 = 1981 UB11 = 1989 YU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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