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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125675817307203 4.1713e-08  
a 2.71932543040808 1.6838e-08 au
q 2.377571984417283 1.1408e-07 au
i 1.687216264032555 5.6351e-06 deg
node 90.7218204757224 0.00015103 deg
peri 37.41085627034808 0.00015263 deg
M 232.4109158777378 2.3171e-05 deg
tp 2459580.998660850675
(2022-Jan-01.49866085)
0.00010786 TDB
period 1637.910635881581
4.48
1.5213e-05
4.165e-08
d
yr
n .2197922109506514 2.0414e-09 deg/d
Q 3.061078876398877 1.8954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9345 days (25.59 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:44  

Additional Information
 Earth MOID = 1.39291 au 
 Jupiter MOID = 1.9857 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 16.0   n/a MPO257416  

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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