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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2120926575933603 4.6471e-08  
a 3.14986723747387 2.2191e-08 au
q 2.481803524011781 1.4693e-07 au
i 16.11570068352782 6.5455e-06 deg
node 8.762605364183768 1.6099e-05 deg
peri 305.5367196985349 2.1223e-05 deg
M 71.07433386988599 1.392e-05 deg
tp 2458197.368162541715
(2018-Mar-19.86816254)
7.8872e-05 TDB
period 2041.91096255174
5.59
2.1578e-05
5.908e-08
d
yr
n .17630543476299 1.8631e-09 deg/d
Q 3.817930950935959 2.6898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      9495 days (26.00 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53084  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:00:10  

Additional Information
 Earth MOID = 1.5076 au 
 Jupiter MOID = 1.75748 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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