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216231 (2006 UM223)
Classification: Main-belt Asteroid          SPK-ID: 2216231
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07342976887048523 3.6995e-08  
a 2.719337581858462 1.9328e-08 au
q 2.519657251741771 1.0522e-07 au
i 2.667465891430838 4.738e-06 deg
node 133.7763581183588 9.2647e-05 deg
peri 277.1625760610365 0.00010377 deg
M 26.74582604769492 4.4061e-05 deg
tp 2459078.812315050052
(2020-Aug-17.31231505)
0.0002003 TDB
period 1637.921614530091
4.48
1.7463e-05
4.781e-08
d
yr
n .2197907377290956 2.3433e-09 deg/d
Q 2.919017911975153 2.0747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1999-01-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:58  

Additional Information
 Earth MOID = 1.53098 au 
 Jupiter MOID = 2.33601 au 
 T_jup = 3.354 
[ 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 16.59   n/a MPCxxxxx  

216231 (2006 UM223)          Discovered 2006-Oct-19 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2006 UM223 = 1999 AE31 = 2004 FY165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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