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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915924939288164 5.3228e-08  
a 3.15702307709623 2.6328e-08 au
q 2.552161152364538 1.698e-07 au
i 14.12756650254625 6.285e-06 deg
node 248.3619066786938 2.0746e-05 deg
peri 143.6545662230772 2.5426e-05 deg
M 277.065490801524 1.7262e-05 deg
tp 2459672.506348249464
(2022-Apr-03.00634825)
0.0001025 TDB
period 2048.873104959902
5.61
2.563e-05
7.017e-08
d
yr
n .1757063427347031 2.198e-09 deg/d
Q 3.761885001827924 3.1373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:36  

Additional Information
 Earth MOID = 1.57352 au 
 Jupiter MOID = 1.72592 au 
 T_jup = 3.131 
[ 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 14.68   n/a E2021B55  
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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