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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08428761397454566 6.1648e-08  
a 2.554894965918488 1.6416e-08 au
q 2.33954896528564 1.6266e-07 au
i 9.597143552450303 7.3599e-06 deg
node 11.85992359205826 3.367e-05 deg
peri 284.0397367087568 5.4146e-05 deg
M 74.36701711953341 4.1056e-05 deg
tp 2458292.368665986822
(2018-Jun-22.86866599)
0.00016987 TDB
period 1491.619329930174
4.08
1.4376e-05
3.936e-08
d
yr
n .2413484411045091 2.3261e-09 deg/d
Q 2.770240966551335 1.78e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7288 days (19.95 yr)  
   first obs. used      1998-09-25  
   last obs. used      2018-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59739  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:29:27  

Additional Information
 Earth MOID = 1.34619 au 
 Jupiter MOID = 2.41249 au 
 T_jup = 3.414 
[ 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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