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20816 (2000 SQ319)
Classification: Main-belt Asteroid          SPK-ID: 2020816
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904798243053403 1.6201e-08  
a 2.635513704971409 1.2194e-08 au
q 2.133501517494139 4.7873e-08 au
i 11.64862975930136 3.5126e-07 deg
node 288.576774885686 3.0422e-06 deg
peri 76.2040330582319 5.951e-06 deg
M 294.8904545366792 8.2839e-06 deg
tp 2459483.143178267047
(2021-Sep-25.64317827)
3.7043e-05 TDB
period 1562.774604738383
4.28
1.0846e-05
2.969e-08
d
yr
n .2303595149988159 1.5988e-09 deg/d
Q 3.13752589244868 1.4517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1793  
   data-arc span      11129 days (30.47 yr)  
   first obs. used      1990-03-04  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:32:05  

Additional Information
 Earth MOID = 1.16441 au 
 Jupiter MOID = 2.4504 au 
 T_jup = 3.343 
[ 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 13.0   n/a MPO474039  
diameter diameter 6.702 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20816 (2000 SQ319)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SQ319 = 1990 EK5 = 1999 ND13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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