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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141263477976302 2.5115e-08  
a 2.203190562061648 7.0768e-09 au
q 1.891960200620256 5.4172e-08 au
i 2.187631087073872 3.5582e-06 deg
node 49.41645826971315 7.8644e-05 deg
peri 71.51537843571045 8.0356e-05 deg
M 313.7601770032988 1.787e-05 deg
tp 2459549.922898338769
(2021-Dec-01.42289834)
5.9772e-05 TDB
period 1194.473504059416
3.27
5.7551e-06
1.576e-08
d
yr
n .3013880163741938 1.4521e-09 deg/d
Q 2.51442092350304 8.0765e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      10630 days (29.10 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:16  

Additional Information
 Earth MOID = .909688 au 
 Jupiter MOID = 2.54971 au 
 T_jup = 3.649 
[ 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 16.22   n/a E2021B10  

91224 (1999 BH)          Discovered 1999-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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