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7434 Osaka (1994 AB3)
Classification: Main-belt Asteroid          SPK-ID: 2007434
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136669113260285 3.6237e-08  
a 2.259617953815705 8.2221e-09 au
q 2.002774160228634 8.2463e-08 au
i 8.871722976416384 3.4739e-06 deg
node 116.1178529184132 2.9043e-05 deg
peri 299.1682484340424 3.4519e-05 deg
M 333.1949460726383 2.044e-05 deg
tp 2459092.877272772035
(2020-Aug-31.37727277)
7.0616e-05 TDB
period 1240.654776821255
3.40
6.7716e-06
1.854e-08
d
yr
n .290169357927573 1.5838e-09 deg/d
Q 2.516461747402777 9.1567e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1835  
   data-arc span      9960 days (27.27 yr)  
   first obs. used      1992-07-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:29:25  

Additional Information
 Earth MOID = 1.03211 au 
 Jupiter MOID = 2.77089 au 
 T_jup = 3.597 
[ 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 13.7   n/a MPO435770  
diameter diameter 4.688 km 1.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.290   0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

7434 Osaka           Discovered 1994 Jan. 14 by T. Kobayashi at Oizumi.
Osaka is the second largest city in Japan, administrative center of the prefecture, and an important industrial, cultural, business and scientific center.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1994 AB3 = 1992 OC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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