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109428 (2001 QO195)
Classification: Main-belt Asteroid          SPK-ID: 2109428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688248699542967 4.0991e-08  
a 3.139488809027401 3.2516e-08 au
q 2.60946501912038 1.2394e-07 au
i 24.92062755276719 6.2182e-06 deg
node 319.5224188373953 1.071e-05 deg
peri 278.7428862552716 2.1375e-05 deg
M 239.8215279891838 1.9855e-05 deg
tp 2459678.783125993283
(2022-Apr-09.28312599)
0.00011576 TDB
period 2031.827508470946
5.56
3.1566e-05
8.642e-08
d
yr
n .1771803947427203 2.7526e-09 deg/d
Q 3.669512598934421 3.8005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7007 days (19.18 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:09  

Additional Information
 Earth MOID = 1.73004 au 
 Jupiter MOID = 1.95171 au 
 T_jup = 3.046 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698961672057701 4.0995e-08  
q 2.606244879380899 1.239e-07 au
tp 2457645.442751548357
(2016-Sep-13.94275155)
0.00010675 TDB
node 319.573187940766 1.0705e-05 deg
peri 278.303299502844 2.1272e-05 deg
i 24.92988174992021 6.2199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7007 days (19.18 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:09  

Additional Information
 Jupiter MOID = 1.95171 au 
 T_jup = 3.046 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.680561687202291E-15 -4.966379157296142E-15 5.345469488328141E-13 5.739442738418695E-17 6.362991650132209E-14 3.081922877806432E-15
q -4.966379157296142E-15 1.535007954315082E-14 -1.246998469273389E-12 -2.109353624127462E-15 -1.528621476070745E-13 -9.914130527973994E-15
tp 5.345469488328141E-13 -1.246998469273389E-12 1.139486954973382E-8 1.533356419464222E-12 1.97929549587742E-9 1.043833839997075E-12
node 5.739442738418695E-17 -2.109353624127462E-15 1.533356419464222E-12 1.145978818175203E-10 -1.033243728177203E-10 2.124415812799499E-12
peri 6.362991650132209E-14 -1.528621476070745E-13 1.97929549587742E-9 -1.033243728177203E-10 4.524995700909214E-10 -1.878461628156524E-12
i 3.081922877806432E-15 -9.914130527973994E-15 1.043833839997075E-12 2.124415812799499E-12 -1.878461628156524E-12 3.868656224526931E-11

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 13.8   n/a MPO320265  
diameter diameter 10.348 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109428 (2001 QO195)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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