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JPL Small-Body Database Browser
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109542 (2001 QS254)
Classification: Main-belt Asteroid          SPK-ID: 2109542
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 .1673204885006846 5.5058e-08  
a 2.448441659824574 2.1456e-08 au
q 2.038767205237299 1.4251e-07 au
i 5.747168704296892 5.958e-06 deg
node 357.5059642042864 5.6163e-05 deg
peri 269.591659438461 6.1214e-05 deg
M 272.8264857041547 3.3729e-05 deg
tp 2458939.355954021234
(2020-Mar-30.85595402)
0.00013443 TDB
period 1399.371637509608
3.83
1.8394e-05
5.036e-08
d
yr
n .2572583224858508 3.3816e-09 deg/d
Q 2.858116114411848 2.5046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      6938 days (19.00 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:00:48  

Additional Information
 Earth MOID = 1.03253 au 
 Jupiter MOID = 2.26126 au 
 T_jup = 3.471 
[ 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 16.6   n/a MPO432617  

109542 (2001 QS254)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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