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JPL Small-Body Database Browser
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85242 (1993 QP4)
Classification: Main-belt Asteroid          SPK-ID: 2085242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2307347649137625 4.7179e-08  
a 2.404636479716012 1.1253e-08 au
q 1.84980324686568 1.1729e-07 au
i 2.945494393182081 4.9945e-06 deg
node 134.6758243638659 8.158e-05 deg
peri 216.316303308623 8.2288e-05 deg
M 312.9921487987483 8.8583e-06 deg
tp 2458778.344513796680
(2019-Oct-21.84451380)
3.3451e-05 TDB
period 1361.985781751712
3.73
9.5603e-06
2.617e-08
d
yr
n .264319939916691 1.8554e-09 deg/d
Q 2.959469712566343 1.3849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      9574 days (26.21 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:10:21  

Additional Information
 Earth MOID = .843993 au 
 Jupiter MOID = 2.4699 au 
 T_jup = 3.485 
[ 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 15.9   n/a MPO259846  

85242 (1993 QP4)          Discovered 1993-Aug-18 by Elst, E. W. at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 QP4 = 2001 XM172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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