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227945 (2007 GX40)
Classification: Main-belt Asteroid          SPK-ID: 2227945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03406241415118847 5.3824e-08  
a 2.674463640453316 1.8851e-08 au
q 2.5833649522999 1.3708e-07 au
i 4.560038563185246 6.2103e-06 deg
node 208.7149969647434 4.8287e-05 deg
peri 303.7986064734365 9.3131e-05 deg
M 107.7805022242563 8.0779e-05 deg
tp 2458722.210137404651
(2019-Aug-26.71013740)
0.00035732 TDB
period 1597.54637416762
4.37
1.6891e-05
4.625e-08
d
yr
n .2253455710714959 2.3826e-09 deg/d
Q 2.765562328606733 1.9493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:23:52  

Additional Information
 Earth MOID = 1.59529 au 
 Jupiter MOID = 2.21451 au 
 T_jup = 3.374 
[ 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 16.71   n/a E2021B55  
diameter diameter 3.005 km 0.577 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227945 (2007 GX40)          Discovered 2007-Apr-14 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 GX40 = 2000 WH198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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