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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697991145778985 3.5121e-08  
a 2.376023440229307 6.7478e-09 au
q 1.972576763862039 8.4181e-08 au
i 3.536068959633842 2.9441e-06 deg
node 92.41326747403471 6.0589e-05 deg
peri 302.8989855182143 6.1256e-05 deg
M 12.56088424835986 7.9192e-06 deg
tp 2459153.824151582388
(2020-Oct-31.32415158)
2.9464e-05 TDB
period 1337.74860894323
3.66
5.6987e-06
1.56e-08
d
yr
n .2691088576682476 1.1464e-09 deg/d
Q 2.779470116596576 7.8935e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      8172 days (22.37 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:48  

Additional Information
 Earth MOID = .981066 au 
 Jupiter MOID = 2.64372 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 15.76   n/a E2021B55  
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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