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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308442043587089 4.1843e-08  
a 2.404668136993411 9.6544e-09 au
q 1.849564434162428 1.0273e-07 au
i 2.946037586099482 4.7058e-06 deg
node 134.670472976911 6.9352e-05 deg
peri 216.4331547786469 6.9931e-05 deg
M 163.285424468295 8.0812e-06 deg
tp 2458778.731060458210
(2019-Oct-22.23106046)
3.0012e-05 TDB
period 1362.012677856786
3.73
8.2024e-06
2.246e-08
d
yr
n .2643147203053081 1.5918e-09 deg/d
Q 2.959771839824394 1.1883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      10066 days (27.56 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:03  

Additional Information
 Earth MOID = .84387 au 
 Jupiter MOID = 2.47442 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 16.06   n/a MPCxxxxx  

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

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