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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390863990171484 1.1509e-08  
a 3.106613338690686 1.6026e-08 au
q 2.674525676273558 3.4083e-08 au
i 9.68885842959598 8.2712e-07 deg
node 151.6144915143639 6.0684e-06 deg
peri 139.1042090031911 1.2839e-05 deg
M 57.6988767558501 1.0113e-05 deg
tp 2459075.951249229339
(2020-Aug-14.45124923)
5.5671e-05 TDB
period 1999.996477673853
5.48
1.5476e-05
4.237e-08
d
yr
n .1800003170099115 1.3929e-09 deg/d
Q 3.538701001107814 1.8255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2346  
   data-arc span      26239 days (71.84 yr)  
   first obs. used      1949-08-21  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:31:48  

Additional Information
 Earth MOID = 1.66725 au 
 Jupiter MOID = 1.74451 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1908-Jul-21 15:48 00:03 Jupiter 1.9670123972115 1.96701125678165 1.96701353764761 3.36687335772291 3.23645002768578 2418144.158407489 2.5672186831296 189.559657562284 7.14444101842349 -76.2531930754854 8159538.68037283 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
1918-Aug-21 16:27 00:03 Jupiter 1.75716171893159 1.75716152739915 1.75716191046394 1.89911912397223 1.62559931494177 2421827.185160567 2.63118232259372 51.8772370787296 12.955623466831 -36.5307503111701 3642829.99283062 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
1928-Aug-10 23:24 00:02 Jupiter 1.88957701967728 1.88957640205952 1.88957763729804 3.48345339330862 3.35230171452474 2425469.475262912 2.18047165195103 138.18459487158 9.87666212478327 -84.0562849942815 6371601.08529225 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
1990-Apr-17 14:00 < 00:01 Jupiter 1.76430518633155 1.76430500005114 1.76430537261195 2.22911917858004 2.00219765447155 2447999.083664089 0.672259361611143 27.2566829297913 7.08973916725975 79.8726594867168 6161010.19252827 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
2000-Apr-02 17:28 < 00:01 Jupiter 1.84414201302515 1.84414173767681 1.84414228837349 2.81485906917408 2.64666257983468 2451637.227717167 0.403814188232601 24.7176095094413 7.54730453027108 89.0913614655731 5685374.31240298 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
2061-Dec-04 14:51 00:01 Jupiter 1.79692554657713 1.79692532614408 1.79692576701079 2.62707945594715 2.44106536283138 2474163.118432647 1.17787165244528 68.459301044319 4.20489164030499 89.0853138045541 8260569.65272987 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
2071-Dec-01 19:00 00:02 Jupiter 1.80946883504399 1.80946841774495 1.80946925234375 2.23784187642488 2.01785159160219 2477812.291338521 1.56748881683951 81.7260787970032 1.569001262548 77.4847027950303 5461730.60550544 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
2133-Jul-19 23:27 00:03 Jupiter 1.85190843285989 1.85190756322601 1.85190930250208 2.98793639806822 2.83072562360124 2500322.476817248 2.87582100523292 208.89061140957 4.86888141841846 -82.4174296640168 8892841.24403085 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32
2143-Aug-06 00:15 00:04 Jupiter 1.78360575914687 1.78360519850701 1.78360631979097 1.98052680843935 1.72415189070184 2503991.510491113 3.54324461242449 162.702274472152 6.88120786487501 89.2146725598399 5629817.9707157 T 41 CATAB v2.0g-lin.ifort 2021-Jul-09 09:32:32 2021-Jul-09 09:32

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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