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180050 (2003 BR21)
Classification: Mars-crossing Asteroid          SPK-ID: 2180050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550604470275298 4.1854e-08  
a 1.906452533342698 6.0091e-09 au
q 1.610837151285813 8.0155e-08 au
i 21.03858855106617 6.0452e-06 deg
node 311.9787117405883 1.31e-05 deg
peri 92.11728903989382 3.2719e-05 deg
M 359.2578857097717 2.4853e-05 deg
tp 2459202.482009426529
(2020-Dec-18.98200943)
6.6373e-05 TDB
period 961.4737284344787
2.63
4.5458e-06
1.245e-08
d
yr
n .3744252072141073 1.7703e-09 deg/d
Q 2.202067915399584 6.9409e-09 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1999-09-28  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:24:56  

Additional Information
 Earth MOID = .754548 au 
 Jupiter MOID = 3.18346 au 
 T_jup = 3.846 
[ 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 17.05   n/a E2021B55  

180050 (2003 BR21)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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