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193871 (2001 QA156)
Classification: Main-belt Asteroid          SPK-ID: 2193871
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08901638604649235 4.4453e-08  
a 2.282983088831003 1.2786e-08 au
q 2.079760184858009 9.9411e-08 au
i 4.147113382832972 4.2643e-06 deg
node 302.3629195261387 6.7349e-05 deg
peri 99.03084259870958 7.1683e-05 deg
M 101.6284602600475 2.4802e-05 deg
tp 2458644.815193986133
(2019-Jun-10.31519399)
8.6676e-05 TDB
period 1259.947556396563
3.45
1.0585e-05
2.898e-08
d
yr
n .2857261781828415 2.4004e-09 deg/d
Q 2.486205992803997 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:52  

Additional Information
 Earth MOID = 1.09276 au 
 Jupiter MOID = 2.80882 au 
 T_jup = 3.595 
[ 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 16.8   n/a MPO459867  

193871 (2001 QA156)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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