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305698 (2009 BE157)
Classification: Main-belt Asteroid          SPK-ID: 2305698
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599726471225306 3.8514e-08  
a 2.568224457653622 2.3282e-08 au
q 2.157378792757947 9.9267e-08 au
i 2.381243140602748 7.8278e-06 deg
node 331.194792018023 0.00011816 deg
peri 244.0581236246858 0.00012164 deg
M 222.7157437730311 3.0887e-05 deg
tp 2459573.779124448373
(2021-Dec-25.27912445)
0.00013299 TDB
period 1503.307738800071
4.12
2.0442e-05
5.597e-08
d
yr
n .2394719262786136 3.2563e-09 deg/d
Q 2.979070122549298 2.7006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:00  

Additional Information
 Earth MOID = 1.15202 au 
 Jupiter MOID = 1.9998 au 
 T_jup = 3.412 
[ 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 17.1   n/a MPO455252  

305698 (2009 BE157)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 BE157 = 1998 RJ21 = 2005 ED263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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