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4466 Abai (1971 SX1)
Classification: Main-belt Asteroid          SPK-ID: 2004466
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03440548992712415 3.228e-08  
a 2.940941526943623 1.2672e-08 au
q 2.839756992862103 9.6913e-08 au
i 2.104230820525518 3.4508e-06 deg
node 170.633017356721 9.81e-05 deg
peri 199.1448985335002 0.00011229 deg
M 239.933141367885 5.6026e-05 deg
tp 2459614.896395120865
(2022-Feb-04.39639512)
0.00028822 TDB
period 1842.162814646592
5.04
1.1906e-05
3.26e-08
d
yr
n .1954224659936282 1.263e-09 deg/d
Q 3.042126061025143 1.3108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2667  
   data-arc span      24224 days (66.32 yr)  
   first obs. used      1954-04-08  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:15:54  

Additional Information
 Earth MOID = 1.83823 au 
 Jupiter MOID = 2.11491 au 
 T_jup = 3.271 
[ 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 12.3   n/a MPO473827  
diameter diameter 11.146 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4466 Abai (1971 SX1)          Discovered 1971-Sep-23 by Crimean Ap. Obs. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1971 SX1 = 1972 YQ = 1973 AY = 1979 FT3 = 1980 NM = 1981 TN3 = 1988 AD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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