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129900 (1999 TE44)
Classification: Main-belt Asteroid          SPK-ID: 2129900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01136906551082111 4.0629e-08  
a 2.797423387725476 1.8626e-08 au
q 2.765619297968922 1.1688e-07 au
i 3.83446059156893 5.3389e-06 deg
node 342.440434635141 6.0377e-05 deg
peri 225.5673111285014 0.00023053 deg
M 322.2886382287014 0.00022201 deg
tp 2459179.521603796824
(2020-Nov-26.02160380)
0.0010538 TDB
period 1708.975076469033
4.68
1.7069e-05
4.673e-08
d
yr
n .2106525747255526 2.1039e-09 deg/d
Q 2.829227477482031 1.8838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      9323 days (25.52 yr)  
   first obs. used      1994-10-12  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:48:01  

Additional Information
 Earth MOID = 1.76085 au 
 Jupiter MOID = 2.13683 au 
 T_jup = 3.323 
[ 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 15.7   n/a MPO469356  
diameter diameter 4.102 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129900 (1999 TE44)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 TE44 = 1999 TW324 = 2006 BA63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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