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129258 (2005 QZ74)
Classification: Main-belt Asteroid          SPK-ID: 2129258
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08743653921052412 4.5224e-08  
a 2.753275381931709 2.1752e-08 au
q 2.512538511042067 1.1823e-07 au
i 4.942721182082636 5.2441e-06 deg
node 320.5465655196333 5.2293e-05 deg
peri 329.8997915111216 6.1659e-05 deg
M 128.0147936513594 3.4029e-05 deg
tp 2458407.123197478531
(2018-Oct-15.62319748)
0.00015547 TDB
period 1668.679398800566
4.57
1.9775e-05
5.414e-08
d
yr
n .215739464548292 2.5567e-09 deg/d
Q 2.994012252821352 2.3654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10406 days (28.49 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:31  

Additional Information
 Earth MOID = 1.49786 au 
 Jupiter MOID = 2.16295 au 
 T_jup = 3.334 
[ 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 MPO493740  
diameter diameter 3.894 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129258 (2005 QZ74)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 QZ74 = 1991 PJ22 = 2003 BD61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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