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266571 (2008 GW129)
Classification: Main-belt Asteroid          SPK-ID: 2266571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077483122394344 4.452e-08  
a 2.31294018801306 1.2428e-08 au
q 2.063724786443892 1.0138e-07 au
i 6.99290220971162 5.2041e-06 deg
node 105.010707515168 4.1951e-05 deg
peri 167.3839894744386 5.1541e-05 deg
M 107.2880764704279 2.7145e-05 deg
tp 2458617.592398184537
(2019-May-14.09239818)
9.7125e-05 TDB
period 1284.828111272568
3.52
1.0355e-05
2.835e-08
d
yr
n .2801931222095034 2.2583e-09 deg/d
Q 2.562155589582228 1.3767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-04-17  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:07  

Additional Information
 Earth MOID = 1.048 au 
 Jupiter MOID = 2.52487 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074312133653328 4.449e-08  
q 2.064587005433268 1.0134e-07 au
tp 2457333.582003829722
(2015-Nov-07.08200383)
9.9168e-05 TDB
node 105.0332909689406 4.1974e-05 deg
peri 167.6971095637536 5.1624e-05 deg
i 6.990978344961706 5.2022e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-04-17  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:07  

Additional Information
 Jupiter MOID = 2.52487 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.979339877761545E-15 -4.482294091330948E-15 5.995625150560176E-13 -5.673274604581806E-15 1.770003945704745E-13 -1.639916088775817E-15
q -4.482294091330948E-15 1.027003526362728E-14 -1.61882527707578E-12 1.093628475298567E-14 -4.813723297629451E-13 3.7408279469444E-15
tp 5.995625150560176E-13 -1.61882527707578E-12 9.834324660761862E-9 -1.837025295841745E-12 3.003438549234017E-9 3.946820203970769E-12
node -5.673274604581806E-15 1.093628475298567E-14 -1.837025295841745E-12 1.761858628343686E-9 -1.748489663927909E-9 4.409648580971656E-11
peri 1.770003945704745E-13 -4.813723297629451E-13 3.003438549234017E-9 -1.748489663927909E-9 2.665000033462829E-9 -4.249831681482498E-11
i -1.639916088775817E-15 3.7408279469444E-15 3.946820203970769E-12 4.409648580971656E-11 -4.249831681482498E-11 2.706307442192033E-11

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 16.8   n/a MPO437227  

266571 (2008 GW129)          Discovered 2008-Apr-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 GW129 = 2005 MF32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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