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91226 (1999 BK7)
Classification: Main-belt Asteroid          SPK-ID: 2091226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218612917514842 3.4066e-08  
a 2.334237726008601 8.1351e-09 au
q 2.049784501462145 8.1524e-08 au
i 2.723878378549638 4.894e-06 deg
node 337.7774964943481 8.0931e-05 deg
peri 114.0763301905767 8.4241e-05 deg
M 34.64339354926572 2.2459e-05 deg
tp 2458875.147217285290
(2020-Jan-26.64721729)
8.1092e-05 TDB
period 1302.614933295185
3.57
6.8097e-06
1.864e-08
d
yr
n .2763671679160924 1.4448e-09 deg/d
Q 2.618690950555056 9.1265e-09 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      7680 days (21.03 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:26:11  

Additional Information
 Earth MOID = 1.06822 au 
 Jupiter MOID = 2.53547 au 
 T_jup = 3.557 
[ 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 15.8   n/a MPO502690  

91226 (1999 BK7)          Discovered 1999-Jan-22 by Klet at Klet
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 BK7 = 2001 QU199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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