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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065094356757555 4.896e-08  
a 2.278541247199184 1.2061e-08 au
q 2.035855104796067 1.0904e-07 au
i 6.394094915188903 4.8777e-06 deg
node 273.7930458967902 5.3893e-05 deg
peri 309.5360622157149 6.0953e-05 deg
M 201.3013878054846 2.9999e-05 deg
tp 2459554.301843619013
(2021-Dec-05.80184362)
0.00010529 TDB
period 1256.272256864354
3.44
9.9745e-06
2.731e-08
d
yr
n .2865620871852708 2.2752e-09 deg/d
Q 2.521227389602302 1.3345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      8415 days (23.04 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:43:31  

Additional Information
 Earth MOID = 1.03301 au 
 Jupiter MOID = 2.48748 au 
 T_jup = 3.591 
[ 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 16.0   n/a MPO284746  

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

[ show close-approach data ]
Alternate Designations
 2004 BR89 = 2002 VE41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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