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66257 (1999 GA34)
Classification: Main-belt Asteroid          SPK-ID: 2066257
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690373677200893 3.5696e-08  
a 2.278534503102752 8.085e-09 au
q 1.893377028438862 8.0052e-08 au
i 6.543431852752598 4.083e-06 deg
node 49.86452700903659 3.3468e-05 deg
peri 277.0481880032946 3.5694e-05 deg
M 10.9506688114705 1.3094e-05 deg
tp 2459162.286221265770
(2020-Nov-08.78622127)
4.5638e-05 TDB
period 1256.26667933861
3.44
6.6865e-06
1.831e-08
d
yr
n .286563359452891 1.5252e-09 deg/d
Q 2.663691977766644 9.4517e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      9912 days (27.14 yr)  
   first obs. used      1993-10-23  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:34  

Additional Information
 Earth MOID = .893799 au 
 Jupiter MOID = 2.68393 au 
 T_jup = 3.580 
[ 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 14.62   n/a E2021B10  
diameter diameter 3.202 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66257 (1999 GA34)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 GA34 = 2000 TD34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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