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193864 (2001 QA142)
Classification: Main-belt Asteroid          SPK-ID: 2193864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041572429622913 4.8635e-08  
a 2.310953213883978 9.2509e-09 au
q 1.839155377122579 1.1172e-07 au
i 5.05876463428212 4.8611e-06 deg
node 40.33744078794882 4.0521e-05 deg
peri 293.8660002380465 4.2037e-05 deg
M 144.4517695082702 1.2135e-05 deg
tp 2458485.620593256435
(2019-Jan-02.12059326)
4.1927e-05 TDB
period 1283.172833802297
3.51
7.705e-06
2.11e-08
d
yr
n .2805545679557821 1.6846e-09 deg/d
Q 2.782751050645377 1.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:30  

Additional Information
 Earth MOID = .836611 au 
 Jupiter MOID = 2.60324 au 
 T_jup = 3.551 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO454347  

193864 (2001 QA142)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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