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193887 (2001 QO203)
Classification: Main-belt Asteroid          SPK-ID: 2193887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04723237693476388 4.1325e-08  
a 2.931269453807007 2.4907e-08 au
q 2.792818630067435 1.2708e-07 au
i 8.306497505099756 4.6866e-06 deg
node 281.6760340768769 3.3457e-05 deg
peri 18.59504909375357 6.3937e-05 deg
M 281.718398676095 5.4913e-05 deg
tp 2459399.101786256746
(2021-Jul-03.60178626)
0.00028113 TDB
period 1833.082622552441
5.02
2.3363e-05
6.396e-08
d
yr
n .1963904930257452 2.5031e-09 deg/d
Q 3.069720277546578 2.6083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6876 days (18.83 yr)  
   first obs. used      2001-06-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:58:17  

Additional Information
 Earth MOID = 1.77823 au 
 Jupiter MOID = 2.07365 au 
 T_jup = 3.259 
[ 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 15.4   n/a MPO433282  
diameter diameter 3.106 km 0.982 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193887 (2001 QO203)          Discovered 2001-Aug-23 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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