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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09109700432390447 3.8983e-08  
a 2.655226890277302 1.6289e-08 au
q 2.413343674772764 1.0643e-07 au
i 13.76663547749609 6.1287e-06 deg
node 320.2859655724368 1.7763e-05 deg
peri 90.89545524109786 3.9035e-05 deg
M 317.3761792361429 3.5585e-05 deg
tp 2459187.611620267818
(2020-Dec-04.11162027)
0.00015672 TDB
period 1580.341276057837
4.33
1.4542e-05
3.981e-08
d
yr
n .2277988972723793 2.0962e-09 deg/d
Q 2.897110105781842 1.7773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:11:00  

Additional Information
 Earth MOID = 1.47111 au 
 Jupiter MOID = 2.40007 au 
 T_jup = 3.342 
[ 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 14.2   n/a MPO436301  

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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