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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394314831077076 3.6335e-08  
a 3.109340427638844 1.6217e-08 au
q 2.675800480326406 1.1588e-07 au
i 9.679057465551697 4.2173e-06 deg
node 151.6403274678973 2.3529e-05 deg
peri 139.6760973821099 2.8204e-05 deg
M 345.9874296123866 1.5485e-05 deg
tp 2459078.450004326580
(2020-Aug-16.95000433)
8.624e-05 TDB
period 2002.630551092511
5.48
1.5668e-05
4.29e-08
d
yr
n .1797635613836044 1.4064e-09 deg/d
Q 3.542880374951282 1.8479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2275  
   data-arc span      26002 days (71.19 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:04  

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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