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2469 Tadjikistan (1970 HA)
Classification: Main-belt Asteroid          SPK-ID: 2002469
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139431481704316 3.6387e-08  
a 3.10934043079452 1.7009e-08 au
q 2.675800487405704 1.1633e-07 au
i 9.679057102359415 4.3102e-06 deg
node 151.6403252969663 2.4069e-05 deg
peri 139.6761023249285 2.9011e-05 deg
M 345.9874257502471 1.6703e-05 deg
tp 2459078.450025929799
(2020-Aug-16.95002593)
9.3081e-05 TDB
period 2002.630554141221
5.48
1.6433e-05
4.499e-08
d
yr
n .1797635611099408 1.4751e-09 deg/d
Q 3.542880374183337 1.9381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      25868 days (70.82 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:45:45  

Additional Information
 Earth MOID = 1.66873 au 
 Jupiter MOID = 1.74356 au 
 T_jup = 3.183 
[ 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 12.5   n/a MPO347538  
diameter diameter 12.625 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.069   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2469 Tadjikistan (1970 HA)          Discovered 1970-Apr-27 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 HA = 1949 QE = 4290 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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