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118468 (1999 XT216)
Classification: Main-belt Asteroid          SPK-ID: 2118468
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08946380095901148 4.7487e-08  
a 3.133802665793664 2.5701e-08 au
q 2.85344076785628 1.519e-07 au
i 6.661050953459003 5.2678e-06 deg
node 104.2024474241711 4.9706e-05 deg
peri 4.427492244535901 5.932e-05 deg
M 239.7118073751186 3.1916e-05 deg
tp 2459677.558810797190
(2022-Apr-08.05881080)
0.00018077 TDB
period 2026.310035658237
5.55
2.4928e-05
6.825e-08
d
yr
n .1776628421440235 2.1856e-09 deg/d
Q 3.414164563731048 2.8001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:22  

Additional Information
 Earth MOID = 1.87026 au 
 Jupiter MOID = 1.69422 au 
 T_jup = 3.196 
[ 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 MPO449691  

118468 (1999 XT216)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 XT216 = 2001 FK133 = 2001 FW124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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