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JPL Small-Body Database Browser
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249637 (1999 TY137)
Classification: Main-belt Asteroid          SPK-ID: 2249637
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3362636300065063 6.7e-08  
a 3.136572690319535 4.9278e-08 au
q 2.081857371693415 2.2266e-07 au
i 11.07600372996642 1.0837e-05 deg
node 18.18291696854169 4.2161e-05 deg
peri 279.1533795629792 4.6031e-05 deg
M 230.7032324316346 1.8971e-05 deg
tp 2459329.229966772409
(2021-Apr-24.72996677)
0.00011937 TDB
period 2028.997267076719
5.56
4.7815e-05
1.309e-07
d
yr
n .1774275430733677 4.1813e-09 deg/d
Q 4.191288008945654 6.5848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:34:38  

Additional Information
 Earth MOID = 1.10076 au 
 Jupiter MOID = 1.37104 au 
 T_jup = 3.094 
[ 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 15.3   n/a MPO386077  
diameter diameter 5.377 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249637 (1999 TY137)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 TY137 = 2009 HM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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