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102204 (1999 SE19)
Classification: Main-belt Asteroid          SPK-ID: 2102204
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143135997395964 4.3967e-08  
a 2.742977313869594 2.0027e-08 au
q 2.155119971730152 1.2507e-07 au
i 10.44132315089994 4.9436e-06 deg
node 123.9328998729078 2.3035e-05 deg
peri 241.3167604925011 2.5089e-05 deg
M 239.2987881680736 1.1018e-05 deg
tp 2459756.840760840612
(2022-Jun-26.34076084)
5.3999e-05 TDB
period 1659.326123266345
4.54
1.8173e-05
4.975e-08
d
yr
n .2169555429473673 2.3761e-09 deg/d
Q 3.330834656009035 2.4319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1993-03-22  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:09  

Additional Information
 Earth MOID = 1.1731 au 
 Jupiter MOID = 2.19108 au 
 T_jup = 3.292 
[ 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 15.14   n/a E2021B55  
diameter diameter 5.057 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102204 (1999 SE19)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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