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20651 (1999 TE219)
Classification: Main-belt Asteroid          SPK-ID: 2020651
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041257558015952 3.6371e-08  
a 2.553393378189117 1.0592e-08 au
q 2.287519362826387 9.3594e-08 au
i 3.209074892710173 4.0538e-06 deg
node 103.170360594681 0.0001002 deg
peri 175.5223409721167 0.0001065 deg
M 102.7408737210494 3.4717e-05 deg
tp 2458575.180032064449
(2019-Apr-01.68003206)
0.00014427 TDB
period 1490.304519625945
4.08
9.2735e-06
2.539e-08
d
yr
n .2415613690082327 1.5031e-09 deg/d
Q 2.819267393551848 1.1695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      10138 days (27.76 yr)  
   first obs. used      1993-01-26  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:33  

Additional Information
 Earth MOID = 1.27108 au 
 Jupiter MOID = 2.27886 au 
 T_jup = 3.429 
[ 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 15.0   n/a MPO347683  
diameter diameter 5.916 km 0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20651 (1999 TE219)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TE219 = 1998 KJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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