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213299 (2001 QS273)
Classification: Main-belt Asteroid          SPK-ID: 2213299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644359016115944 4.0193e-08  
a 2.699608044117112 1.6122e-08 au
q 2.255695561384802 1.0747e-07 au
i 9.310243075076693 4.1617e-06 deg
node 96.54973769605849 2.7225e-05 deg
peri 262.553469163147 2.9768e-05 deg
M 108.5575159567033 1.2339e-05 deg
tp 2458711.952389418772
(2019-Aug-16.45238942)
5.5018e-05 TDB
period 1620.128631898579
4.44
1.4513e-05
3.973e-08
d
yr
n .2222045786439359 1.9904e-09 deg/d
Q 3.143520526849422 1.8773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      2001-08-12  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:09  

Additional Information
 Earth MOID = 1.27319 au 
 Jupiter MOID = 2.3634 au 
 T_jup = 3.330 
[ 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 15.81   n/a MPCxxxxx  
diameter diameter 2.736 km 0.796 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213299 (2001 QS273)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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