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216492 (1999 XU141)
Classification: Main-belt Asteroid          SPK-ID: 2216492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3525489880314641 5.1753e-08  
a 2.636414947672304 1.4341e-08 au
q 1.706949525839408 1.3852e-07 au
i 28.6553681842914 8.0904e-06 deg
node 98.4225325635293 1.0295e-05 deg
peri 84.29976847158736 1.5273e-05 deg
M 289.8489673423025 1.2243e-05 deg
tp 2459505.184697317562
(2021-Oct-17.68469732)
5.4952e-05 TDB
period 1563.576285035437
4.28
1.2758e-05
3.493e-08
d
yr
n .2302414045579112 1.8786e-09 deg/d
Q 3.5658803695052 1.9397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-11-16  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:43  

Additional Information
 Earth MOID = .940491 au 
 Jupiter MOID = 2.28777 au 
 T_jup = 3.143 
[ 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 15.35   n/a MPCxxxxx  

216492 (1999 XU141)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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