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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2681437764255297 8.0687e-08  
a 2.774078827609688 2.1125e-08 au
q 2.03022685467232 2.2055e-07 au
i 14.49190669954291 1.0947e-05 deg
node 289.9422511520957 2.333e-05 deg
peri 145.5325259742023 3.0045e-05 deg
M 118.6290580935397 1.4368e-05 deg
tp 2458044.384237520539
(2017-Oct-17.88423752)		 6.5756e-05 TDB
period 1687.62761594841
4.62		 1.9278e-05
5.278e-08		 d
yr
n .2133172013766129 2.4367e-09 deg/d
Q 3.517930800547056 2.679e-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 = 1.06204 au 
 Jupiter MOID = 1.80258 au 
 T_jup = 3.238 
[ 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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