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90442 (2004 BR89)
Classification: Main-belt Asteroid          SPK-ID: 2090442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106247345185089 3.8472e-08  
a 2.278759682414934 9.7646e-09 au
q 2.036647515843531 8.9035e-08 au
i 6.393217948233591 4.7532e-06 deg
node 273.7899711855343 4.1902e-05 deg
peri 309.5220954105562 5.0424e-05 deg
M 314.7607372619434 3.0048e-05 deg
tp 2459554.391676168401
(2021-Dec-05.89167617)
0.00010509 TDB
period 1256.452912368263
3.44
8.076e-06
2.211e-08
d
yr
n .2865208846716294 1.8416e-09 deg/d
Q 2.520871848986337 1.0802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      8912 days (24.40 yr)  
   first obs. used      1996-11-12  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:07  

Additional Information
 Earth MOID = 1.03426 au 
 Jupiter MOID = 2.48553 au 
 T_jup = 3.591 
[ 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 16.08   n/a MPCxxxxx  

90442 (2004 BR89)          Discovered 2004-Jan-23 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 BR89 = 2002 VE41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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