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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394917948541913 3.6191e-08  
a 3.109334849803904 1.6907e-08 au
q 2.67560815080207 1.1564e-07 au
i 9.685612985976386 4.2175e-06 deg
node 151.6127204260577 2.3424e-05 deg
peri 139.4167131838948 2.8091e-05 deg
M 22.15499831096786 1.5456e-05 deg
tp 2459077.255119197621
(2020-Aug-15.75511920)
8.5779e-05 TDB
period 2002.625162326994
5.48
1.6334e-05
4.472e-08
d
yr
n .179764045100527 1.4662e-09 deg/d
Q 3.543061548805738 1.9266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2300  
   data-arc span      26040 days (71.29 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:03:16  

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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