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JPL Small-Body Database Browser
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146426 (2001 QF245)
Classification: Main-belt Asteroid          SPK-ID: 2146426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150690352402873 4.5242e-08  
a 2.767767338457845 1.8237e-08 au
q 2.350691502856471 1.2935e-07 au
i 15.52532900789392 6.7689e-06 deg
node 172.5930357258225 1.6154e-05 deg
peri 237.9517175345785 2.6274e-05 deg
M 263.7834947553223 2.0713e-05 deg
tp 2459050.010535108734
(2020-Jul-19.51053511)
9.8348e-05 TDB
period 1681.871444276923
4.60
1.6623e-05
4.551e-08
d
yr
n .2140472752688733 2.1156e-09 deg/d
Q 3.18484317405922 2.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      9369 days (25.65 yr)  
   first obs. used      1994-03-07  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:03:55  

Additional Information
 Earth MOID = 1.39597 au 
 Jupiter MOID = 2.3721 au 
 T_jup = 3.269 
[ 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 15.4   n/a MPO412892  
diameter diameter 5.587 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146426 (2001 QF245)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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