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216220 (2006 UD99)
Classification: Main-belt Asteroid          SPK-ID: 2216220
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03156593634291888 6.6562e-08  
a 2.860918904845665 2.9125e-08 au
q 2.770611320813053 2.0059e-07 au
i 5.843172303020066 7.8497e-06 deg
node 179.9907561606106 5.2143e-05 deg
peri 262.2793531195563 0.00014877 deg
M 293.5257168425043 0.00014161 deg
tp 2459526.868255511915
(2021-Nov-08.36825551)
0.00069479 TDB
period 1767.48911614312
4.84
2.699e-05
7.389e-08
d
yr
n .2036787648150075 3.1102e-09 deg/d
Q 2.951226488878276 3.0044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6993 days (19.15 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:57  

Additional Information
 Earth MOID = 1.79339 au 
 Jupiter MOID = 2.11384 au 
 T_jup = 3.293 
[ 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 16.30   n/a E2021B55  

216220 (2006 UD99)          Discovered 2006-Oct-18 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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