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90436 (2004 BH81)
Classification: Main-belt Asteroid          SPK-ID: 2090436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259123458199031 3.5402e-08  
a 2.719832197774121 1.5239e-08 au
q 2.377371745515879 1.0062e-07 au
i 1.687191614365573 4.4815e-06 deg
node 90.722013555123 0.00015051 deg
peri 37.32617562981098 0.00015199 deg
M 319.5494715771491 2.3392e-05 deg
tp 2459580.591311419856
(2022-Jan-01.09131142)
0.00010731 TDB
period 1638.36851322095
4.49
1.377e-05
3.77e-08
d
yr
n .2197307852872844 1.8467e-09 deg/d
Q 3.062292650032364 1.7158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      9505 days (26.02 yr)  
   first obs. used      1994-12-28  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:40:10  

Additional Information
 Earth MOID = 1.39327 au 
 Jupiter MOID = 1.98386 au 
 T_jup = 3.347 
[ 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 16.01   n/a MPCxxxxx  

90436 (2004 BH81)          Discovered 2004-Jan-26 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2004 BH81 = 2000 GA32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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