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JPL Small-Body Database Browser
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305628 (2009 BQ2)
Classification: Main-belt Asteroid          SPK-ID: 2305628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117308473103817 5.432e-08  
a 2.363715574989945 2.3111e-08 au
q 1.863244073496578 1.3284e-07 au
i 5.128145091589409 7.1271e-06 deg
node 284.7057212585716 8.3146e-05 deg
peri 220.4140998724291 8.8749e-05 deg
M 280.0473460743754 3.2191e-05 deg
tp 2458895.296033362201
(2020-Feb-15.79603336)
0.0001219 TDB
period 1327.367720765289
3.63
1.9467e-05
5.33e-08
d
yr
n .2712134658453525 3.9777e-09 deg/d
Q 2.864187076483313 2.8004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6042 days (16.54 yr)  
   first obs. used      2002-02-26  
   last obs. used      2018-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:42:37  

Additional Information
 Earth MOID = .879598 au 
 Jupiter MOID = 2.17584 au 
 T_jup = 3.514 
[ 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 17.3   n/a MPO455251  

305628 (2009 BQ2)          Discovered 2009-Jan-19 by Lowe, A. at Mayhill
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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