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227482 (2005 WG202)
Classification: Main-belt Asteroid          SPK-ID: 2227482
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180339459716005 6.3125e-08  
a 2.720232326777479 2.6752e-08 au
q 2.399152571288425 1.695e-07 au
i 3.826956080259469 5.1919e-06 deg
node 226.7112118560862 9.7203e-05 deg
peri 93.07814777958014 0.00010013 deg
M 232.6202605546203 2.9527e-05 deg
tp 2459780.336137119561
(2022-Jul-19.83613712)
0.00013964 TDB
period 1638.730070197309
4.49
2.4174e-05
6.618e-08
d
yr
n .2196823055530156 3.2407e-09 deg/d
Q 3.041312082266532 2.9909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      7432 days (20.35 yr)  
   first obs. used      2000-10-06  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:56  

Additional Information
 Earth MOID = 1.38809 au 
 Jupiter MOID = 2.23668 au 
 T_jup = 3.346 
[ 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 16.66   n/a E2021B55  
diameter diameter 2.840 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227482 (2005 WG202)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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