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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09109700424375519 3.8989e-08  
a 2.655226894201101 1.7227e-08 au
q 2.413343678551931 1.0665e-07 au
i 13.76663631137859 6.3064e-06 deg
node 320.285964582381 1.7848e-05 deg
peri 90.89546480768773 4.083e-05 deg
M 317.3761690397048 3.826e-05 deg
tp 2459187.611665443278
(2020-Dec-04.11166544)
0.00016864 TDB
period 1580.341279560895
4.33
1.538e-05
4.211e-08
d
yr
n .2277988967674297 2.2169e-09 deg/d
Q 2.897110109850272 1.8796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:11:45  

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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