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146393 (2001 QO119)
Classification: Main-belt Asteroid          SPK-ID: 2146393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169029344405068 5.1634e-08  
a 2.657892005925936 1.6772e-08 au
q 2.208630262664804 1.3852e-07 au
i 5.712778377564565 5.3359e-06 deg
node 129.13802564 4.7546e-05 deg
peri 224.981577868142 4.9063e-05 deg
M 107.8681555856939 1.3633e-05 deg
tp 2458526.263283088795
(2019-Feb-11.76328309)
5.8086e-05 TDB
period 1582.721213327915
4.33
1.4981e-05
4.102e-08
d
yr
n .2274563561595568 2.153e-09 deg/d
Q 3.107153749187068 1.9607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:08  

Additional Information
 Earth MOID = 1.20761 au 
 Jupiter MOID = 2.33179 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO453929  
diameter diameter 4.728 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146393 (2001 QO119)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 QO119 = 1997 WC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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