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74264 (1998 SS93)
Classification: Main-belt Asteroid          SPK-ID: 2074264
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08430527984197179 5.2775e-08  
a 2.555448343940304 1.4947e-08 au
q 2.340010556182713 1.3721e-07 au
i 9.59580264576052 6.4887e-06 deg
node 11.84789301899137 3.1887e-05 deg
peri 284.2481089952002 4.9079e-05 deg
M 170.6716274377196 3.806e-05 deg
tp 2458293.111629702930
(2018-Jun-23.61162970)
0.00015594 TDB
period 1492.103972582519
4.09
1.3091e-05
3.584e-08
d
yr
n .2412700499529637 2.1168e-09 deg/d
Q 2.770886131697895 1.6207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:13:36  

Additional Information
 Earth MOID = 1.34731 au 
 Jupiter MOID = 2.41239 au 
 T_jup = 3.413 
[ 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 15.5   n/a MPO453155  
diameter diameter 2.235 km 0.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74264 (1998 SS93)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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