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308481 (2005 TG74)
Classification: Main-belt Asteroid          SPK-ID: 2308481
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189250127034637 9.0576e-08  
a 3.173360469177454 5.1078e-08 au
q 2.795968535067856 2.7806e-07 au
i 18.13444969289209 9.564e-06 deg
node 56.91639747807356 2.1322e-05 deg
peri 342.3228264449859 3.6525e-05 deg
M 206.7335451157066 3.0883e-05 deg
tp 2459879.567348694551
(2022-Oct-27.06734869)
0.0001866 TDB
period 2064.797843526485
5.65
4.9852e-05
1.365e-07
d
yr
n .1743512088259222 4.2095e-09 deg/d
Q 3.550752403287051 5.7152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      5784 days (15.84 yr)  
   first obs. used      2003-06-02  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:27:11  

Additional Information
 Earth MOID = 1.81014 au 
 Jupiter MOID = 1.85629 au 
 T_jup = 3.113 
[ 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 15.3   n/a MPO437366  
diameter diameter 4.698 km 1.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308481 (2005 TG74)          Discovered 2005-Oct-07 by LONEOS at Anderson Mesa
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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