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227211 (2005 QB156)
Classification: Main-belt Asteroid          SPK-ID: 2227211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628096432093127 1.0529e-07  
a 2.481346098675003 2.0572e-08 au
q 2.077359025670905 2.5201e-07 au
i 13.6210944354063 5.8184e-06 deg
node 294.2075029665975 4.1121e-05 deg
peri 112.3414953300183 4.6304e-05 deg
M 292.9113420367319 2.1261e-05 deg
tp 2459466.557831128377
(2021-Sep-09.05783113)
8.5546e-05 TDB
period 1427.675289892619
3.91
1.7755e-05
4.861e-08
d
yr
n .2521581780875938 3.1359e-09 deg/d
Q 2.8853331716791 2.3922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      6964 days (19.07 yr)  
   first obs. used      2001-05-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:28:24  

Additional Information
 Earth MOID = 1.1299 au 
 Jupiter MOID = 2.53265 au 
 T_jup = 3.421 
[ 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 15.94   n/a E2021B55  
diameter diameter 3.618 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227211 (2005 QB156)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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