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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394918526840827 1.1496e-08  
a 3.109334837128352 1.6141e-08 au
q 2.675607960082158 3.4144e-08 au
i 9.685611487601513 8.2697e-07 deg
node 151.612735379024 6.0702e-06 deg
peri 139.4166935424268 1.2804e-05 deg
M 22.15500946849498 1.0014e-05 deg
tp 2459077.255057883630
(2020-Aug-15.75505788)
5.5524e-05 TDB
period 2002.625150081105
5.48
1.5594e-05
4.269e-08
d
yr
n .1797640461997695 1.3998e-09 deg/d
Q 3.543061714174547 1.8393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2336  
   data-arc span      26040 days (71.29 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:49:40  

Additional Information
 Earth MOID = 1.66669 au 
 Jupiter MOID = 1.74223 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 12.54   n/a E2021B10  
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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