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146430 (2001 QR259)
Classification: Main-belt Asteroid          SPK-ID: 2146430
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08922441209892867 4.1585e-08  
a 2.553638391498656 1.6613e-08 au
q 2.325791507303935 1.1059e-07 au
i 7.452455955009869 5.2296e-06 deg
node 287.9809479376598 4.0927e-05 deg
peri 117.5824249551851 5.7758e-05 deg
M 170.8588564051934 4.3344e-05 deg
tp 2458293.087841819363
(2018-Jun-23.58784182)
0.00017556 TDB
period 1490.519030170031
4.08
1.4545e-05
3.982e-08
d
yr
n .2415266042989957 2.3569e-09 deg/d
Q 2.781485275693377 1.8095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:53  

Additional Information
 Earth MOID = 1.34692 au 
 Jupiter MOID = 2.52423 au 
 T_jup = 3.421 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO432921  

146430 (2001 QR259)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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