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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907963955209546 5.6015e-08  
a 2.273679827459544 7.2226e-09 au
q 1.839869911811557 1.3057e-07 au
i 7.577103628023493 5.3516e-06 deg
node 347.8639570937558 2.0948e-05 deg
peri 357.8389442255357 2.2729e-05 deg
M 23.18154823632421 7.3321e-06 deg
tp 2459119.863377828523
(2020-Sep-27.36337783)
2.5511e-05 TDB
period 1252.253891146262
3.43
5.9669e-06
1.634e-08
d
yr
n .2874816381448579 1.3698e-09 deg/d
Q 2.707489743107531 8.6006e-09 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      16684 days (45.68 yr)  
   first obs. used      1975-05-06  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:18  

Additional Information
 Earth MOID = .83097 au 
 Jupiter MOID = 2.70469 au 
 T_jup = 3.575 
[ 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 16.23   n/a E2021B55  
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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