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74153 (1998 QJ90)
Classification: Main-belt Asteroid          SPK-ID: 2074153
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2660160086855568 8.011e-08  
a 2.778971059000386 2.1196e-08 au
q 2.039720269632428 2.1827e-07 au
i 14.49935578058752 1.095e-05 deg
node 289.9085486993159 2.3274e-05 deg
peri 145.6988800359853 3.0174e-05 deg
M 203.6834766887883 1.4995e-05 deg
tp 2459735.228437084295
(2022-Jun-04.72843708)		 7.4509e-05 TDB
period 1692.093911427052
4.63		 1.9359e-05
5.3e-08		 d
yr
n .2127541489091398 2.4341e-09 deg/d
Q 3.518221848368343 2.6835e-08 au
   Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      7199 days (19.71 yr)  
   first obs. used      1998-08-24  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:14:48  

Additional Information
 Earth MOID = 1.07142 au 
 Jupiter MOID = 1.80025 au 
 T_jup = 3.236 
[ 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 15.0   n/a MPO436302  

74153 (1998 QJ90)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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