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JPL Small-Body Database Browser
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305654 (2009 BY61)
Classification: Main-belt Asteroid          SPK-ID: 2305654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156166439173184 6.2688e-08  
a 2.389007830783835 2.8387e-08 au
q 1.873897980018032 1.3676e-07 au
i 1.481637803685716 5.101e-06 deg
node 293.384321947924 0.00023544 deg
peri 108.3831484641863 0.00024233 deg
M 348.6228494162153 3.1807e-05 deg
tp 2458643.124155971426
(2019-Jun-08.62415597)
0.00011887 TDB
period 1348.729283023067
3.69
2.4039e-05
6.582e-08
d
yr
n .2669179089765807 4.7574e-09 deg/d
Q 2.904117681549638 3.4508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5613 days (15.37 yr)  
   first obs. used      2000-09-27  
   last obs. used      2016-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49698  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:24:02  

Additional Information
 Earth MOID = .882463 au 
 Jupiter MOID = 2.50812 au 
 T_jup = 3.501 
[ 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 18.0   n/a MPO360529  

305654 (2009 BY61)          Discovered 2009-Jan-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BY61 = 2000 SF312 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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