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74149 (1998 QE88)
Classification: Main-belt Asteroid          SPK-ID: 2074149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09123555399415209 3.8509e-08  
a 2.65555297059331 1.2132e-08 au
q 2.413272124160414 1.0351e-07 au
i 13.76660059178017 3.121e-06 deg
node 320.2854762520448 1.7427e-05 deg
peri 90.92591199730073 3.14e-05 deg
M 2.91236196728795 2.2749e-05 deg
tp 2459187.712850869460
(2020-Dec-04.21285087)
9.992e-05 TDB
period 1580.632400333557
4.33
1.0831e-05
2.965e-08
d
yr
n .2277569407814429 1.5607e-09 deg/d
Q 2.897833817026207 1.3238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1490  
   data-arc span      8228 days (22.53 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:11:24  

Additional Information
 Earth MOID = 1.47023 au 
 Jupiter MOID = 2.39929 au 
 T_jup = 3.341 
[ 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 14.29   n/a MPCxxxxx  

74149 (1998 QE88)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QE88 = 2000 AG41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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