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24676 (1989 TA4)
Classification: Main-belt Asteroid          SPK-ID: 2024676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09138163308872815 4.3559e-08  
a 2.788090746260459 1.4335e-08 au
q 2.533310460667608 1.2361e-07 au
i 5.130819655475774 4.828e-06 deg
node 55.580916678636 3.9163e-05 deg
peri 5.535369898719995 4.4494e-05 deg
M 217.9198022576548 2.2779e-05 deg
tp 2459871.604014062788
(2022-Oct-19.10401406)
0.00011023 TDB
period 1700.430101460921
4.66
1.3114e-05
3.59e-08
d
yr
n .211711142781292 1.6328e-09 deg/d
Q 3.042871031853311 1.5645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      11227 days (30.74 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:46:45  

Additional Information
 Earth MOID = 1.54535 au 
 Jupiter MOID = 2.23404 au 
 T_jup = 3.318 
[ 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 14.79   n/a E2021B10  
diameter diameter 3.363 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24676 (1989 TA4)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TA4 = 1998 RE34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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