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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06534971594792538 4.8704e-08  
a 3.226247924547376 2.2733e-08 au
q 3.015413539100622 1.5486e-07 au
i 15.55202878847616 5.1874e-06 deg
node 293.6859400243285 1.6597e-05 deg
peri 354.254477212745 4.035e-05 deg
M 195.2815117251787 3.851e-05 deg
tp 2459968.967120950617
(2023-Jan-24.46712095)
0.00022792 TDB
period 2116.630423177068
5.80
2.2372e-05
6.125e-08
d
yr
n .1700816524500479 1.7977e-09 deg/d
Q 3.437082309994131 2.4219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      31702 days (86.80 yr)  
   first obs. used      1934-01-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:10  

Additional Information
 Earth MOID = 1.99948 au 
 Jupiter MOID = 1.76874 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 11.6   n/a MPO502190  
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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