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74152 (1998 QH90)
Classification: Main-belt Asteroid          SPK-ID: 2074152
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928694420533454 5.0674e-08  
a 2.723023704357034 1.8948e-08 au
q 2.197835641799659 1.3958e-07 au
i 11.75599359521485 5.0982e-06 deg
node 277.627369648441 2.6891e-05 deg
peri 95.609685503839 2.9402e-05 deg
M 292.938456639914 1.3529e-05 deg
tp 2459306.236016765786
(2021-Apr-01.73601677)
6.3192e-05 TDB
period 1641.253101568071
4.49
1.7131e-05
4.69e-08
d
yr
n .2193445969156445 2.2895e-09 deg/d
Q 3.24821176691441 2.2603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      7968 days (21.82 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:58  

Additional Information
 Earth MOID = 1.23614 au 
 Jupiter MOID = 2.39885 au 
 T_jup = 3.301 
[ 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 MPO337816  

74152 (1998 QH90)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QH90 = 2000 CZ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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