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101224 (1998 ST64)
Classification: Main-belt Asteroid          SPK-ID: 2101224
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169781071038772 3.5271e-08  
a 2.376069912621909 6.9513e-09 au
q 1.97265821799396 8.4617e-08 au
i 3.536088610165882 3.0341e-06 deg
node 92.41356555215542 6.3793e-05 deg
peri 302.8577624571657 6.4447e-05 deg
M 318.7685900080802 8.4427e-06 deg
tp 2459153.719109977731
(2020-Oct-31.21910998)		 3.1302e-05 TDB
period 1337.787856461683
3.66		 5.8707e-06
1.607e-08		 d
yr
n .2691009626534991 1.1809e-09 deg/d
Q 2.779481607249858 8.1316e-09 au
   Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:45  

Additional Information
 Earth MOID = .982228 au 
 Jupiter MOID = 2.64285 au 
 T_jup = 3.519 
[ 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 15.7   n/a MPO337990  
diameter diameter 4.416 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101224 (1998 ST64)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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