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JPL Small-Body Database Browser
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74914 (1999 TA143)
Classification: Main-belt Asteroid          SPK-ID: 2074914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494951267094097 3.6938e-08  
a 2.327565163919652 1.2174e-08 au
q 1.979605514815076 9.0423e-08 au
i 4.232321357248733 3.7784e-06 deg
node 285.3457816663858 5.5591e-05 deg
peri 314.5558562696494 5.7157e-05 deg
M 286.5622550023718 1.4389e-05 deg
tp 2458865.086713478357
(2020-Jan-16.58671348)
5.2409e-05 TDB
period 1297.033519415455
3.55
1.0176e-05
2.786e-08
d
yr
n .277556435212441 2.1775e-09 deg/d
Q 2.675524813024228 1.3994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      21347 days (58.44 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:45:58  

Additional Information
 Earth MOID = .96963 au 
 Jupiter MOID = 2.34898 au 
 T_jup = 3.555 
[ 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 15.4   n/a MPO436307  
diameter diameter 2.380 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74914 (1999 TA143)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TA143 = 2001 AE14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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