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245605 (2005 WG28)
Classification: Main-belt Asteroid          SPK-ID: 2245605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298381763769133 5.2608e-08  
a 2.275444502769263 1.1735e-08 au
q 1.98000493808283 1.2143e-07 au
i 7.8135927176752 5.163e-06 deg
node 61.38686483835487 3.4017e-05 deg
peri 304.6243193176506 3.7825e-05 deg
M 130.8877991499399 1.8017e-05 deg
tp 2458544.678860114135
(2019-Mar-02.17886011)
6.1605e-05 TDB
period 1253.712045161138
3.43
9.6986e-06
2.655e-08
d
yr
n .2871472770716897 2.2213e-09 deg/d
Q 2.570884067455696 1.3259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2001-07-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Earth MOID = .991539 au 
 Jupiter MOID = 2.90957 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303619525894406 5.2763e-08  
q 1.978729712446407 1.2185e-07 au
tp 2457289.220808254523
(2015-Sep-23.72080825)
5.8944e-05 TDB
node 61.42506725069045 3.4048e-05 deg
peri 304.1747813828021 3.7794e-05 deg
i 7.811067864077443 5.1609e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2001-07-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Jupiter MOID = 2.90957 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.783899725600267E-15 -6.407164606660722E-15 3.078185032139733E-13 6.324726834632219E-15 9.585278018832113E-15 1.359377200483736E-15
q -6.407164606660722E-15 1.484804587116345E-14 -6.080363958332599E-13 -1.461626907928145E-14 -2.898502983238595E-15 -2.917209085634431E-15
tp 3.078185032139733E-13 -6.080363958332599E-13 3.474399342192513E-9 1.118425981004775E-11 9.791337766746766E-10 -1.244421601633829E-12
node 6.324726834632219E-15 -1.461626907928145E-14 1.118425981004775E-11 1.159235428702508E-9 -1.145154633796724E-9 -3.609457032024953E-11
peri 9.585278018832113E-15 -2.898502983238595E-15 9.791337766746766E-10 -1.145154633796724E-9 1.428357580391002E-9 3.534740474590641E-11
i 1.359377200483736E-15 -2.917209085634431E-15 -1.244421601633829E-12 -3.609457032024953E-11 3.534740474590641E-11 2.663477138410286E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO454808  

245605 (2005 WG28)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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