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3902 Yoritomo (1986 AL)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06538674148805014 3.9123e-08  
a 3.225261070833838 1.982e-08 au
q 3.014371758963754 1.3052e-07 au
i 15.55107511498646 4.4637e-06 deg
node 293.6821598529301 1.5421e-05 deg
peri 354.6066906929877 3.9867e-05 deg
M 262.2700352196063 3.843e-05 deg
tp 2459970.842534489192
(2023-Jan-26.34253449)
0.00022662 TDB
period 2115.659336220179
5.79
1.9501e-05
5.339e-08
d
yr
n .1701597198739818 1.5685e-09 deg/d
Q 3.436150382703922 2.1115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2584  
   data-arc span      31940 days (87.45 yr)  
   first obs. used      1934-01-07  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:48:25  

Additional Information
 Earth MOID = 1.99805 au 
 Jupiter MOID = 1.76841 au 
 T_jup = 3.127 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.59   n/a E2021B10  
diameter diameter 28.402 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.061   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3902 Yoritomo (1986 AL)          Discovered 1986-Jan-14 by Inoda, S. and Urata, T. at Karasuyama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 AL = 1934 AB = 1984 WF1 = 1984 YG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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