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227203 (2005 QY111)
Classification: Main-belt Asteroid          SPK-ID: 2227203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08781504735448935 4.2656e-08  
a 2.325479143313623 1.0783e-08 au
q 2.12126708222166 9.7267e-08 au
i 2.773718888078436 5.5036e-06 deg
node 187.7642682067014 0.00010472 deg
peri 258.3456136766986 0.00011201 deg
M 25.87626568340613 3.7039e-05 deg
tp 2459107.396458555137
(2020-Sep-14.89645856)
0.00013331 TDB
period 1295.290260589831
3.55
9.0096e-06
2.467e-08
d
yr
n .2779299829183215 1.9332e-09 deg/d
Q 2.529691204405586 1.173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-10-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55709  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:50  

Additional Information
 Earth MOID = 1.1392 au 
 Jupiter MOID = 2.61571 au 
 T_jup = 3.568 
[ 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 17.3   n/a MPO494247  
diameter diameter 2.001 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227203 (2005 QY111)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QY111 = 1998 UG46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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