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5355 Akihiro (1991 CA)
Classification: Main-belt Asteroid          SPK-ID: 2005355
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678447598138225 4.4886e-08  
a 2.311132720670015 1.1188e-08 AU
q 1.92322120427129 1.0544e-07 AU
i .7436466131836322 5.0954e-06 deg
node 193.1332083147431 0.0003726 deg
peri 12.99355877613571 0.00037319 deg
M 236.7498603375267 2.0203e-05 deg
tp 2457439.860161914286
(2016-Feb-21.36016191)
7.299e-05 JED
period 1283.322345291442
3.51
9.319e-06
2.551e-08
d
yr
n .2805218823788532 2.037e-09 deg/d
Q 2.699044237068739 1.3066e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      21352 days (58.46 yr)  
   first obs. used      1956-03-17  
   last obs. used      2014-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49212  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:47:43  

Additional Information
 Earth MOID = .920377 AU 
 T_jup = 3.565 
[ 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 12.9 mag n/a MPO267729  

5355 Akihiro           Discovered 1991 Feb. 3 by S. Ueda and H. Kaneda at Kushiro.
Named in honor of Akihiro Ueda (b. 1983), son of the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19960828/MPCPages.arcLast Updated: 2003-09-26

Alternate Designations
 1991 CA = 1942 GR = 1956 FA = 1956 GO = 1963 FG = 1977 DA5 = 1977 FU1 = 1978 RV3 = 1979 YX5 = 1986 WR6 = 1989 SC11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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