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74160 (1998 QE101)
Classification: Main-belt Asteroid          SPK-ID: 2074160
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3127171030686575 5.6779e-08  
a 2.642177081496643 1.5075e-08 au
q 1.815923118776612 1.4961e-07 au
i 29.55779137501152 1.4306e-05 deg
node 347.9969976119894 9.5316e-06 deg
peri 66.53358004211721 2.3746e-05 deg
M 344.6954473227942 1.9328e-05 deg
tp 2459067.189805117855
(2020-Aug-05.68980512)
8.4492e-05 TDB
period 1568.705100292481
4.29
1.3426e-05
3.676e-08
d
yr
n .2294886399826704 1.9641e-09 deg/d
Q 3.468431044216673 1.979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      8009 days (21.93 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:10:59  

Additional Information
 Earth MOID = .967553 au 
 Jupiter MOID = 2.5379 au 
 T_jup = 3.147 
[ 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 14.8   n/a MPO395674  

74160 (1998 QE101)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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