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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2306740645402265 4.6426e-08  
a 2.404369075042483 1.0989e-08 au
q 1.849743487847609 1.1529e-07 au
i 2.945752752683088 4.7532e-06 deg
node 134.6722140772004 7.9381e-05 deg
peri 216.3829311886247 8.0094e-05 deg
M 58.68855154537987 8.4655e-06 deg
tp 2458778.501000406537
(2019-Oct-22.00100041)
3.2132e-05 TDB
period 1361.758601110649
3.73
9.336e-06
2.556e-08
d
yr
n .2643640361121158 1.8124e-09 deg/d
Q 2.958994662237358 1.3524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9611 days (26.31 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:28:38  

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 20 CATAB v2.0f-lin.ifort 2020-Feb-23 20:28:53 2020-Feb-23 20:28

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