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JPL Small-Body Database Browser
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193873 (2001 QX157)
Classification: Main-belt Asteroid          SPK-ID: 2193873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719595616039457 4.8458e-08  
a 2.198653104144559 1.7996e-08 au
q 1.820573680236707 9.9154e-08 au
i 1.844372963749796 5.9538e-06 deg
node 189.1954835398192 0.00015759 deg
peri 59.38185878771098 0.00015922 deg
M 218.1403160930103 2.7522e-05 deg
tp 2459069.734552039742
(2020-Aug-08.23455204)
9.4914e-05 TDB
period 1190.785387940538
3.26
1.4619e-05
4.002e-08
d
yr
n .3023214792907557 3.7117e-09 deg/d
Q 2.576732528052412 2.109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:59:23  

Additional Information
 Earth MOID = .807387 au 
 Jupiter MOID = 2.45048 au 
 T_jup = 3.647 
[ 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 16.9   n/a MPO459867  

193873 (2001 QX157)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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