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74136 (1998 QP73)
Classification: Main-belt Asteroid          SPK-ID: 2074136
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831559829993859 5.1608e-08  
a 2.607802077264421 1.1782e-08 au
q 2.130167524335215 1.3726e-07 au
i 11.67843596761046 4.0657e-06 deg
node 275.1101705559851 2.7902e-05 deg
peri 93.20638208101654 3.2322e-05 deg
M 42.66343186176844 1.3265e-05 deg
tp 2458818.209660478938
(2019-Nov-30.70966048)
5.6584e-05 TDB
period 1538.191358824786
4.21
1.0424e-05
2.854e-08
d
yr
n .2340411015408697 1.5861e-09 deg/d
Q 3.085436630193626 1.394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:11:30  

Additional Information
 Earth MOID = 1.16771 au 
 Jupiter MOID = 2.54636 au 
 T_jup = 3.358 
[ 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 MPO502605  

74136 (1998 QP73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QP73 = 2000 EC35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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