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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390863990036272 1.1508e-08  
a 3.106613338843624 1.597e-08 au
q 2.674525676447229 3.4066e-08 au
i 9.688858434627278 8.2676e-07 deg
node 151.6144914690943 6.0655e-06 deg
peri 139.10420897653 1.2828e-05 deg
M 57.69887678611726 1.011e-05 deg
tp 2459075.951249037518
(2020-Aug-14.45124904)
5.5647e-05 TDB
period 1999.996477821542
5.48
1.5422e-05
4.222e-08
d
yr
n .1800003169966195 1.388e-09 deg/d
Q 3.538701001240019 1.8191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2379  
   data-arc span      26285 days (71.96 yr)  
   first obs. used      1949-08-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:42:27  

Additional Information
 Earth MOID = 1.66725 au 
 Jupiter MOID = 1.74451 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374683917741562 1.145e-08  
q 2.679933832095208 3.4044e-08 au
tp 2457081.123775997322
(2015-Feb-27.62377600)
5.6068e-05 TDB
node 151.6986309730852 6.0779e-06 deg
peri 140.2759515911401 1.2983e-05 deg
i 9.676588452058661 8.2551e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2379  
   data-arc span      26285 days (71.96 yr)  
   first obs. used      1949-08-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:42:27  

Additional Information
 Jupiter MOID = 1.74451 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.311070847791002E-16 -3.603140290648038E-16 1.890969960971375E-14 8.219348667795193E-15 -8.773595435075845E-15 -4.840283432913595E-15
q -3.603140290648038E-16 1.158962433611101E-15 -1.423507314827719E-13 -2.834357557706208E-14 1.137685199380165E-14 1.543436214013414E-14
tp 1.890969960971375E-14 -1.423507314827719E-13 3.143587414378281E-9 3.078854907988164E-11 6.514773960839983E-10 -1.105357199600583E-11
node 8.219348667795193E-15 -2.834357557706208E-14 3.078854907988164E-11 3.694077878580234E-11 -2.82233517154946E-11 -9.792818454833979E-13
peri -8.773595435075845E-15 1.137685199380165E-14 6.514773960839983E-10 -2.82233517154946E-11 1.685597526362034E-10 -1.145026647635783E-12
i -4.840283432913595E-15 1.543436214013414E-14 -1.105357199600583E-11 -9.792818454833979E-13 -1.145026647635783E-12 6.814585840662774E-13

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 12.55   n/a MPO636099  
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

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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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