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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014033340139939 4.551e-08  
a 2.415326544195388 9.218e-09 au
q 1.928871725461939 1.1043e-07 au
i 4.119479357376433 5.6877e-06 deg
node 205.1418153630161 5.0282e-05 deg
peri 225.115002609883 5.1767e-05 deg
M 312.7406005343493 1.0862e-05 deg
tp 2458780.489804867921
(2019-Oct-23.98980487)
4.1487e-05 TDB
period 1371.078144984623
3.75
7.849e-06
2.149e-08
d
yr
n .2625670909545696 1.5031e-09 deg/d
Q 2.901781362928837 1.1075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      13922 days (38.12 yr)  
   first obs. used      1981-10-22  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:13:46  

Additional Information
 Earth MOID = .945457 au 
 Jupiter MOID = 2.40096 au 
 T_jup = 3.486 
[ 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-January); 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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