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JPL Small-Body Database Browser
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74120 (1998 QJ53)
Classification: Main-belt Asteroid          SPK-ID: 2074120
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2154483428330144 5.3499e-08  
a 2.591473681074159 1.0968e-08 au
q 2.033144970991359 1.3391e-07 au
i 6.756734317720928 4.7857e-06 deg
node 323.7380275652546 4.4155e-05 deg
peri 21.6000775083675 4.5748e-05 deg
M 351.0453442308534 1.2435e-05 deg
tp 2458638.402252930074
(2019-Jun-03.90225293)
5.2734e-05 TDB
period 1523.767234229172
4.17
9.674e-06
2.649e-08
d
yr
n .2362565567188568 1.4999e-09 deg/d
Q 3.149802391156957 1.3332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1996-02-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:44:47  

Additional Information
 Earth MOID = 1.02633 au 
 Jupiter MOID = 2.26741 au 
 T_jup = 3.377 
[ 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 14.9   n/a MPO449467  

74120 (1998 QJ53)          Discovered 1998-Aug-20 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QJ53 = 1996 DH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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