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226285 (2003 BR20)
Classification: Main-belt Asteroid          SPK-ID: 2226285
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837240539446485 2.7875e-08  
a 2.308774013779263 5.9878e-09 au
q 1.884596692325679 6.5016e-08 au
i 7.297955784868576 2.9463e-06 deg
node 112.1290784658859 3.7357e-05 deg
peri 338.1086279683587 3.9857e-05 deg
M 17.5771127848148 1.4015e-05 deg
tp 2458937.937282603682
(2020-Mar-29.43728260)
4.9811e-05 TDB
period 1281.358237749508
3.51
4.9848e-06
1.365e-08
d
yr
n .2809518754351475 1.093e-09 deg/d
Q 2.732951335232847 7.0879e-09 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:58  

Additional Information
 Earth MOID = .903367 au 
 Jupiter MOID = 2.46072 au 
 T_jup = 3.553 
[ 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 16.4   n/a MPO454624  

226285 (2003 BR20)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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