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268240 (2005 GW181)
Classification: Main-belt Asteroid          SPK-ID: 2268240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3563327482070901 9.8161e-08  
a 3.144507077710783 5.5747e-08 au
q 2.024016228953454 2.9485e-07 au
i 16.25587431278272 9.4541e-06 deg
node 25.92032461577216 2.8419e-05 deg
peri 300.9503757593544 3.2481e-05 deg
M 162.6960058821506 2.9744e-05 deg
tp 2458080.046862750614
(2017-Nov-22.54686275)
0.00014724 TDB
period 2036.701070890474
5.58
5.4161e-05
1.483e-07
d
yr
n .1767564249586234 4.7004e-09 deg/d
Q 4.264997926468112 7.5611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:02:11  

Additional Information
 Earth MOID = 1.06687 au 
 Jupiter MOID = 1.49561 au 
 T_jup = 3.049 
[ 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 15.2   n/a MPO245577  
diameter diameter 5.962 km 0.902 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268240 (2005 GW181)          Discovered 2005-Apr-12 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 GW181 = 2001 TL35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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