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5881 Akashi (1992 SR12)
Classification: Main-belt Asteroid          SPK-ID: 2005881
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08378696518880976 5.0157e-08  
a 2.851022498206364 2.2213e-08 AU
q 2.612143975396634 1.4388e-07 AU
i 2.688071858753218 5.5988e-06 deg
node 48.54757293982389 0.00011725 deg
peri 338.9224487976667 0.00012207 deg
M 205.8390184891009 3.7272e-05 deg
tp 2457753.459053399483
(2016-Dec-30.95905340)
0.00018607 JED
period 1758.325982146461
4.81
2.0549e-05
5.626e-08
d
yr
n .2047401924645015 2.3928e-09 deg/d
Q 3.089901021016094 2.4074e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      16680 days (45.67 yr)  
   first obs. used      1968-10-23  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51666  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:14:10  

Additional Information
 Earth MOID = 1.61662 AU 
 T_jup = 3.299 
[ 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 12.5 mag n/a MPO263401  

5881 Akashi           Discovered 1992 Sept. 27 by M. Sugano and T. Nomura at Minami-Oda.
Named for a city facing the Setouchi Inland Sea. Akashi Municipal Planetarium was established in 1960 precisely on the meridian for Japan Standard Time ( 135\rm o east of Greenwich), and about 6.6 million people have visited it.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1992 SR12 = 1968 UN2 = 1978 WQ6 = 1982 PK = 1987 RE3 = 1987 SR22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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