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146428 (2001 QC258)
Classification: Main-belt Asteroid          SPK-ID: 2146428
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786549634338006 8.212e-08  
a 2.546861600488192 2.0915e-08 au
q 2.091852134382024 2.1313e-07 au
i 7.642380158556881 5.4005e-06 deg
node 89.05139872877812 5.9368e-05 deg
peri 252.3347619182601 6.2468e-05 deg
M 216.5146228885101 2.7256e-05 deg
tp 2459592.213649887079
(2022-Jan-12.71364989)
0.00011838 TDB
period 1484.589706962484
4.06
1.8287e-05
5.007e-08
d
yr
n .2424912407190071 2.987e-09 deg/d
Q 3.001871066594361 2.4651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:29  

Additional Information
 Earth MOID = 1.09841 au 
 Jupiter MOID = 2.41752 au 
 T_jup = 3.408 
[ 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 15.9   n/a MPO417787  

146428 (2001 QC258)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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