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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0888439823980999 5.9368e-08  
a 2.282937983994679 1.5745e-08 au
q 2.080112681928702 1.3978e-07 au
i 4.146774714336278 4.3678e-06 deg
node 302.3659158110349 8.7966e-05 deg
peri 99.12235117185361 9.1923e-05 deg
M 347.2662676484054 2.9359e-05 deg
tp 2458645.064887489209
(2019-Jun-10.56488749)
0.0001029 TDB
period 1259.910217455317
3.45
1.3034e-05
3.569e-08
d
yr
n .2857346460187489 2.9561e-09 deg/d
Q 2.485763286060656 1.7144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6248 days (17.11 yr)  
   first obs. used      2001-08-23  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:59:22  

Additional Information
 Earth MOID = 1.09255 au 
 Jupiter MOID = 2.80975 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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