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JPL Small-Body Database Browser
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91224 (1999 BH)
Classification: Main-belt Asteroid          SPK-ID: 2091224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407958532818127 2.6497e-08  
a 2.204133447566741 7.34e-09 au
q 1.893800598069598 5.7189e-08 au
i 2.187473162224603 4.5124e-06 deg
node 49.43630715755703 8.1598e-05 deg
peri 71.36802517805856 8.3991e-05 deg
M 194.5472345234621 1.9797e-05 deg
tp 2459549.821736440302
(2021-Dec-01.32173644)
6.708e-05 TDB
period 1195.240372978544
3.27
5.9704e-06
1.635e-08
d
yr
n .3011946451431174 1.5045e-09 deg/d
Q 2.514466297063884 8.3734e-09 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      10052 days (27.52 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:44  

Additional Information
 Earth MOID = .911064 au 
 Jupiter MOID = 2.55074 au 
 T_jup = 3.649 
[ 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 16.2   n/a MPO325091  

91224 (1999 BH)          Discovered 1999-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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