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118434 (1999 TY250)
Classification: Main-belt Asteroid          SPK-ID: 2118434
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922639259864987 5.7823e-08  
a 3.153924878825881 2.6726e-08 au
q 2.547538899356325 1.8218e-07 au
i 14.14320367660016 6.5738e-06 deg
node 248.3921231992205 2.3773e-05 deg
peri 143.9008728838313 2.8501e-05 deg
M 241.654092326711 1.7367e-05 deg
tp 2459673.052495427984
(2022-Apr-03.55249543)
0.00010439 TDB
period 2045.857800359928
5.60
2.6004e-05
7.12e-08
d
yr
n .1759653089949189 2.2367e-09 deg/d
Q 3.760310858295437 3.1864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:44  

Additional Information
 Earth MOID = 1.56983 au 
 Jupiter MOID = 1.72517 au 
 T_jup = 3.132 
[ 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 MPO345070  
diameter diameter 6.052 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118434 (1999 TY250)          Discovered 1999-Oct-05 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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