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129767 (1999 GT53)
Classification: Main-belt Asteroid          SPK-ID: 2129767
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143994101961914 3.2297e-08  
a 2.310713877862578 8.7012e-09 au
q 1.815298185316687 7.7591e-08 au
i 5.605569271890719 3.7066e-06 deg
node 281.5204274601221 4.7641e-05 deg
peri 348.5663973608247 4.8931e-05 deg
M 319.0478854260518 1.1498e-05 deg
tp 2459146.445771516741
(2020-Oct-23.94577152)
4.1038e-05 TDB
period 1282.973499479576
3.51
7.2467e-06
1.984e-08
d
yr
n .2805981574413112 1.5849e-09 deg/d
Q 2.806129570408469 1.0567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:41:45  

Additional Information
 Earth MOID = .799512 au 
 Jupiter MOID = 2.30631 au 
 T_jup = 3.547 
[ 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 16.2   n/a MPO320444  
diameter diameter 3.284 km 0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129767 (1999 GT53)          Discovered 1999-Apr-11 by LONEOS at Anderson Mesa
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 GT53 = 2002 CL121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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