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66131 (1998 SA123)
Classification: Main-belt Asteroid          SPK-ID: 2066131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790261468397299 6.1266e-08  
a 3.097558163629714 2.5107e-08 au
q 2.543014260983136 1.9492e-07 au
i .4520321668806861 6.6481e-06 deg
node 330.8446613668647 0.00059574 deg
peri 38.76456496613826 0.00059592 deg
M 358.6670461373996 1.5589e-05 deg
tp 2459007.872932341252
(2020-Jun-07.37293234)
8.6265e-05 TDB
period 1991.258450365812
5.45
2.421e-05
6.628e-08
d
yr
n .1807901932237198 2.198e-09 deg/d
Q 3.65210206627629 2.9601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      9052 days (24.78 yr)  
   first obs. used      1995-02-04  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:58:18  

Additional Information
 Earth MOID = 1.54254 au 
 Jupiter MOID = 1.81439 au 
 T_jup = 3.198 
[ 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 15.1   n/a MPO439516  
diameter diameter 5.804 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66131 (1998 SA123)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SA123 = 2000 BD48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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