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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01767247094490753 6.7081e-08  
a 3.075003808062568 2.3354e-08 au
q 3.020660892609103 2.1714e-07 au
i 9.059100959381519 6.4087e-06 deg
node 349.8723044753938 2.4417e-05 deg
peri 329.7760587196564 0.00014376 deg
M 56.90359521989457 0.00013808 deg
tp 2459085.182080545396
(2020-Aug-23.68208055)
0.00075719 TDB
period 1969.549561333764
5.39
2.2438e-05
6.143e-08
d
yr
n .1827829098934737 2.0823e-09 deg/d
Q 3.129346723516034 2.3767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:47:17  

Additional Information
 Earth MOID = 2.01175 au 
 Jupiter MOID = 1.93445 au 
 T_jup = 3.210 
[ 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 14.71   n/a E2021B10  
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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