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21293 (1996 VS8)
Classification: Main-belt Asteroid          SPK-ID: 2021293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351951830102014 2.9624e-08  
a 2.297127218347558 6.6888e-09 au
q 1.756853961830589 6.9598e-08 au
i 5.342492580442462 3.7663e-06 deg
node 84.27975982829173 3.266e-05 deg
peri 253.5935990868243 3.3803e-05 deg
M 72.69939574234735 7.4772e-06 deg
tp 2459139.694512965480
(2020-Oct-17.19451297)
2.6348e-05 TDB
period 1271.674604560368
3.48
5.5543e-06
1.521e-08
d
yr
n .2830912866459703 1.2365e-09 deg/d
Q 2.837400474864527 8.262e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1886  
   data-arc span      16566 days (45.36 yr)  
   first obs. used      1975-10-03  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:32:26  

Additional Information
 Earth MOID = .756044 au 
 Jupiter MOID = 2.56536 au 
 T_jup = 3.551 
[ 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 14.87   n/a E2021B10  
diameter diameter 3.582 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.181   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

21293 (1996 VS8)          Discovered 1996-Nov-07 by Endate, K., Watanabe, K. at Kitami
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 VS8 = 1975 TA3 = 1999 NA13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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