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JPL Small-Body Database Browser
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109141 (2001 QZ55)
Classification: Main-belt Asteroid          SPK-ID: 2109141
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088193801134264 4.697e-08  
a 2.351040129740455 1.2447e-08 au
q 1.860097387226264 1.1445e-07 au
i 5.928772647528858 6.5099e-06 deg
node 349.9992234901488 4.6031e-05 deg
peri 79.01687834932405 4.9665e-05 deg
M 245.0924878978856 2.2189e-05 deg
tp 2459020.775826605584
(2020-Jun-20.27582661)		 8.3514e-05 TDB
period 1316.705016148603
3.60		 1.0457e-05
2.863e-08		 d
yr
n .2734097581347487 2.1713e-09 deg/d
Q 2.841982872254647 1.5046e-08 au
   Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:22  

Additional Information
 Earth MOID = .884654 au 
 Jupiter MOID = 2.48672 au 
 T_jup = 3.521 
[ 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 16.0   n/a MPO449652  

109141 (2001 QZ55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QZ55 = 1998 XV42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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