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JPL Small-Body Database Browser
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441920 (2010 GW145)
Classification: Main-belt Asteroid          SPK-ID: 2441920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196128251790907 6.506e-08  
a 2.713522312336436 6.6112e-08 au
q 2.117598011137732 2.108e-07 au
i 14.06135360636277 6.2882e-06 deg
node 155.0463579733998 2.6667e-05 deg
peri 91.56399087642852 8.4027e-05 deg
M 340.9630193322669 4.859e-05 deg
tp 2458686.836430750505
(2019-Jul-22.33643075)
0.00021801 TDB
period 1632.670412008298
4.47
5.9668e-05
1.634e-07
d
yr
n .2204976566931074 8.0583e-09 deg/d
Q 3.309446613535139 8.0631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5225 days (14.31 yr)  
   first obs. used      2005-03-13  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:33  

Additional Information
 Earth MOID = 1.16044 au 
 Jupiter MOID = 1.93879 au 
 T_jup = 3.284 
[ 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 16.9   n/a MPO440828  
diameter diameter 2.326 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441920 (2010 GW145)          Discovered 2010-Jan-16 by WISE at WISE
Reference: Last Updated: 2015-09-02

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