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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676335440543542 4.2363e-08  
a 2.311781047472165 1.0834e-08 au
q 1.924248997406719 1.0071e-07 au
i .7440934920350122 4.3237e-06 deg
node 193.0768565606055 0.0003352 deg
peri 12.88442902023934 0.0003357 deg
M 349.0662074450193 1.9352e-05 deg
tp 2457439.493013884731
(2016-Feb-20.99301388)
6.9141e-05 JED
period 1283.862386076514
3.52
9.0251e-06
2.471e-08
d
yr
n .2804038843291925 1.9711e-09 deg/d
Q 2.699313097537611 1.265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1711  
   data-arc span      21801 days (59.69 yr)  
   first obs. used      1956-03-17  
   last obs. used      2015-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4836  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:56:01  

Additional Information
 Earth MOID = .919666 au 
 Jupiter MOID = 2.26107 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 13.0 mag n/a MPO313463  

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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