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74137 (1998 QY74)
Classification: Main-belt Asteroid          SPK-ID: 2074137
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 .05691904325094768 5.7305e-08  
a 2.627278335669795 1.6476e-08 au
q 2.477736166449528 1.5154e-07 au
i 12.89588332578061 5.6491e-06 deg
node 278.4621790767861 2.8522e-05 deg
peri 191.0641436250648 6.4852e-05 deg
M 282.589554657769 6.1325e-05 deg
tp 2459334.968035288144
(2021-Apr-30.46803529)
0.00026642 TDB
period 1555.455367443073
4.26
1.4631e-05
4.006e-08
d
yr
n .2314434779261999 2.1771e-09 deg/d
Q 2.776820504890062 1.7413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55794  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:50:10  

Additional Information
 Earth MOID = 1.49552 au 
 Jupiter MOID = 2.36495 au 
 T_jup = 3.364 
[ 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 15.0   n/a MPO347990  

74137 (1998 QY74)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QY74 = 1999 XM86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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