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109397 (2001 QM178)
Classification: Main-belt Asteroid          SPK-ID: 2109397
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122382409204123 4.4593e-08  
a 3.15046749589083 2.1815e-08 au
q 2.481817816486024 1.4002e-07 au
i 16.11408984005953 5.9772e-06 deg
node 8.742707134999064 1.603e-05 deg
peri 305.6236396251317 2.0527e-05 deg
M 141.4868015529618 1.3455e-05 deg
tp 2458197.761005676015
(2018-Mar-20.26100568)		 7.5442e-05 TDB
period 2042.49466935939
5.59		 2.1215e-05
5.808e-08		 d
yr
n .1762550499644196 1.8307e-09 deg/d
Q 3.819117175295636 2.6445e-08 au
   Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52624  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:05:41  

Additional Information
 Earth MOID = 1.50835 au 
 Jupiter MOID = 1.75934 au 
 T_jup = 3.113 
[ 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 14.5   n/a MPO453553  

109397 (2001 QM178)          Discovered 2001-Aug-26 by NEAT at Haleakala
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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