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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2306740653502636 4.5518e-08  
a 2.404369074900946 1.0748e-08 au
q 1.849743485791093 1.1283e-07 au
i 2.945752556207682 4.736e-06 deg
node 134.6722076744003 7.8205e-05 deg
peri 216.3829376958908 7.8893e-05 deg
M 58.68855154180542 8.3944e-06 deg
tp 2458778.501000439660
(2019-Oct-22.00100044)
3.1821e-05 TDB
period 1361.758600990406
3.73
9.1313e-06
2.5e-08
d
yr
n .2643640361354591 1.7727e-09 deg/d
Q 2.9589946640108 1.3228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      9955 days (27.26 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:11  

Additional Information
 Earth MOID = .84486 au 
 Jupiter MOID = 2.47414 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 16.0   n/a MPO493473  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1980-Oct-27 06:01 < 00:01 Juno 0.0406022768980663 0.0405992458146452 0.0406053082147915 5.55558477291021 5.55558471897582 2444539.750697324 0.487761467142257 223.812147808155 55.9601146630525 -49.6442004274298 84514.6052704809 T 22 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:13 2020-Dec-17 22:14

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