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4743 Kikuchi (1988 DA)
Classification: Main-belt Asteroid          SPK-ID: 2004743
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004339334711451 6.943e-09  
a 2.266728764985413 5.5351e-09 au
q 2.039072279005737 1.4955e-08 au
i 4.87231436406247 4.0956e-07 deg
node 5.454979878050272 5.979e-06 deg
peri 169.7368511151509 1.0594e-05 deg
M 264.085494292234 8.2389e-06 deg
tp 2459728.608164953578
(2022-May-29.10816495)
2.9011e-05 TDB
period 1246.515722528586
3.41
4.5657e-06
1.25e-08
d
yr
n .2888050214639344 1.0578e-09 deg/d
Q 2.494385250965089 6.091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2604  
   data-arc span      22861 days (62.59 yr)  
   first obs. used      1958-07-12  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:30:53  

Additional Information
 Earth MOID = 1.0443 au 
 Jupiter MOID = 2.46511 au 
 T_jup = 3.604 
[ 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 13.93   n/a E2021B10  
diameter diameter 4.104 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4743 Kikuchi (1988 DA)          Discovered 1988-Feb-16 by Fujii and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 DA = 1978 GD4 = 1978 JG3 = 1986 SL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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