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109147 (2001 QZ57)
Classification: Main-belt Asteroid          SPK-ID: 2109147
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126989874045193 4.5911e-08  
a 2.441919498771535 1.4004e-08 au
q 2.166717643936632 1.1321e-07 au
i 5.744868359247775 4.9054e-06 deg
node 128.4329428801917 5.0828e-05 deg
peri 259.2669119408072 5.5973e-05 deg
M 291.4668800541759 2.6295e-05 deg
tp 2459265.834329523888
(2021-Feb-20.33432952)
0.00010299 TDB
period 1393.783891702422
3.82
1.1989e-05
3.282e-08
d
yr
n .2582896833168893 2.2218e-09 deg/d
Q 2.717121353606438 1.5582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      6491 days (17.77 yr)  
   first obs. used      2001-08-01  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:05  

Additional Information
 Earth MOID = 1.17973 au 
 Jupiter MOID = 2.71046 au 
 T_jup = 3.485 
[ 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 MPO474961  
diameter diameter 4.144 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109147 (2001 QZ57)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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