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72809 (2001 GW5)
Classification: Main-belt Asteroid          SPK-ID: 2072809
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110517228492877 4.0688e-08  
a 2.587105326585116 1.2958e-08 au
q 2.30118561607177 1.0986e-07 au
i 27.8662519467343 4.8924e-06 deg
node 175.273832509818 7.6922e-06 deg
peri 222.4900109396536 2.3488e-05 deg
M 54.26968125120543 2.2173e-05 deg
tp 2458971.374005972520
(2020-May-01.87400597)
9.3554e-05 TDB
period 1519.916018450182
4.16
1.1419e-05
3.126e-08
d
yr
n .2368551917540039 1.7795e-09 deg/d
Q 2.873025037098463 1.439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1805  
   data-arc span      7829 days (21.43 yr)  
   first obs. used      1999-10-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:10  

Additional Information
 Earth MOID = 1.33827 au 
 Jupiter MOID = 2.60036 au 
 T_jup = 3.250 
[ 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 13.98   n/a MPCxxxxx  
diameter diameter 8.411 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72809 (2001 GW5)          Discovered 2001-Apr-13 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 GW5 = 1999 TE282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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