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146374 (2001 QG4)
Classification: Main-belt Asteroid          SPK-ID: 2146374
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840690048354891 5.0095e-08  
a 2.446936002802743 1.5472e-08 au
q 1.996530927870712 1.272e-07 au
i 2.194985911813299 5.7344e-06 deg
node 126.6729785620124 0.00014709 deg
peri 182.2476875620134 0.00014807 deg
M 337.3563845232869 2.1973e-05 deg
tp 2459088.437803533140
(2020-Aug-26.93780353)
8.5883e-05 TDB
period 1398.081031030022
3.83
1.326e-05
3.63e-08
d
yr
n .2574958046135378 2.4423e-09 deg/d
Q 2.897341077734774 1.832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      8449 days (23.13 yr)  
   first obs. used      1996-02-15  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:59  

Additional Information
 Earth MOID = .981891 au 
 Jupiter MOID = 2.35958 au 
 T_jup = 3.474 
[ 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 16.9   n/a MPO469552  

146374 (2001 QG4)          Discovered 2001-Aug-16 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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