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181909 (1999 TX15)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09441232506184877 7.4602e-08  
a 3.216143593539424 3.9561e-08 au
q 2.912499999140598 2.534e-07 au
i 1.439061982283113 8.063e-06 deg
node 15.78112664998235 0.00021123 deg
peri 355.1281324294893 0.00021393 deg
M 284.1284185703529 3.9798e-05 deg
tp 2459840.495132147647
(2022-Sep-17.99513215)
0.00023854 TDB
period 2106.694556266298
5.77
3.8871e-05
1.064e-07
d
yr
n .1708838136640127 3.153e-09 deg/d
Q 3.519787187938251 4.3296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:33  

Additional Information
 Earth MOID = 1.91139 au 
 Jupiter MOID = 1.94551 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.88   n/a E2021B55  
diameter diameter 3.796 km 0.545 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181909 (1999 TX15)          Discovered 1999-Oct-12 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1999 TX15 = 2005 VJ58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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