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146403 (2001 QA166)
Classification: Main-belt Asteroid          SPK-ID: 2146403
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030986525436945 3.6907e-08  
a 2.653728255597473 1.4905e-08 au
q 2.380132448228244 9.6529e-08 au
i 10.03684466355853 4.5495e-06 deg
node 115.0431155665378 2.3519e-05 deg
peri 279.4138316330216 3.4602e-05 deg
M 68.47034090753787 2.3382e-05 deg
tp 2458700.180806343513
(2019-Aug-04.68080634)
0.00010254 TDB
period 1579.003525954887
4.32
1.3303e-05
3.642e-08
d
yr
n .2279918911405175 1.9208e-09 deg/d
Q 2.927324062966702 1.6441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      6747 days (18.47 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:11  

Additional Information
 Earth MOID = 1.41208 au 
 Jupiter MOID = 2.4648 au 
 T_jup = 3.360 
[ 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 15.7   n/a MPO502886  
diameter diameter 2.163 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146403 (2001 QA166)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 QA166 = 2003 AZ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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