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74090 (1998 QU)
Classification: Main-belt Asteroid          SPK-ID: 2074090
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057259929590439 3.5798e-08  
a 2.398861811833592 1.0396e-08 au
q 2.145239764805955 8.7018e-08 au
i 5.335224158967463 4.027e-06 deg
node 287.5631766740831 4.5961e-05 deg
peri 11.34953290208954 5.0803e-05 deg
M 334.5024130547531 2.3713e-05 deg
tp 2459096.617585736505
(2020-Sep-04.11758574)
8.9558e-05 TDB
period 1357.082571752628
3.72
8.8216e-06
2.415e-08
d
yr
n .2652749416235385 1.7244e-09 deg/d
Q 2.65248385886123 1.1495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:13  

Additional Information
 Earth MOID = 1.12973 au 
 Jupiter MOID = 2.51799 au 
 T_jup = 3.514 
[ 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 15.3   n/a MPO366099  

74090 (1998 QU)          Discovered 1998-Aug-18 by Lopez, A., Pacheco, R. at Mallorca
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QU = 2001 FY133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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