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91702 (1999 TX142)
Classification: Main-belt Asteroid          SPK-ID: 2091702
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01914726166554356 7.358e-08  
a 3.079787292745391 2.5678e-08 au
q 3.020817799576978 2.3549e-07 au
i 9.050190021335823 7.2997e-06 deg
node 349.8985168413967 2.8435e-05 deg
peri 331.3650408275843 0.00014322 deg
M 342.9938780074349 0.00013885 deg
tp 2459093.757184649480
(2020-Sep-01.25718465)
0.00076112 TDB
period 1974.147103524848
5.40
2.4689e-05
6.759e-08
d
yr
n .1823572313112931 2.2806e-09 deg/d
Q 3.138756785913802 2.617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:58  

Additional Information
 Earth MOID = 2.01254 au 
 Jupiter MOID = 1.93598 au 
 T_jup = 3.209 
[ 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 14.7   n/a MPO348076  
diameter diameter 4.976 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91702 (1999 TX142)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TX142 = 1999 TU203 = 2002 CY117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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