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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508925747895469 4.5139e-08  
a 2.767341242994995 1.8052e-08 au
q 2.349769997518175 1.292e-07 au
i 15.52693691515397 6.7634e-06 deg
node 172.5860536222129 1.612e-05 deg
peri 238.0624594688956 2.6226e-05 deg
M 349.3398722656826 2.0967e-05 deg
tp 2459050.291178790179
(2020-Jul-19.79117879)
9.8116e-05 TDB
period 1681.483075175559
4.60
1.6453e-05
4.505e-08
d
yr
n .2140967133804861 2.0949e-09 deg/d
Q 3.184912488471815 2.0776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      9405 days (25.75 yr)  
   first obs. used      1994-03-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:21  

Additional Information
 Earth MOID = 1.39579 au 
 Jupiter MOID = 2.37493 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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