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100453 (1996 SA4)
Classification: Main-belt Asteroid          SPK-ID: 2100453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910637443335676 5.6371e-08  
a 2.274402700046254 7.3333e-09 au
q 1.839846804053041 1.3155e-07 au
i 7.575993732514329 5.4037e-06 deg
node 347.8681789239967 2.1402e-05 deg
peri 357.8242828764181 2.3144e-05 deg
M 325.7097601609416 7.4028e-06 deg
tp 2459119.834905141569
(2020-Sep-27.33490514)
2.5755e-05 TDB
period 1252.851133517903
3.43
6.0593e-06
1.659e-08
d
yr
n .2873445937580386 1.3897e-09 deg/d
Q 2.708958596039467 8.7344e-09 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      16614 days (45.49 yr)  
   first obs. used      1975-05-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:06  

Additional Information
 Earth MOID = .832745 au 
 Jupiter MOID = 2.70279 au 
 T_jup = 3.574 
[ 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 16.2   n/a MPO333618  
diameter diameter 1.492 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.380   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100453 (1996 SA4)          Discovered 1996-Sep-18 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1996 SA4 = 2000 XS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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