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385948 (2006 UN222)
Classification: Main-belt Asteroid          SPK-ID: 2385948
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 .1106714216672677 7.1551e-08  
a 2.203607810076456 1.3366e-08 au
q 1.9597314009382 1.5818e-07 au
i 6.952188524787283 8.4814e-06 deg
node 5.41486546383311 3.7015e-05 deg
peri 30.13708004937881 4.3533e-05 deg
M 108.6093159921484 2.2266e-05 deg
tp 2458840.033874027262
(2019-Dec-22.53387403)
7.346e-05 TDB
period 1194.812840544608
3.27
1.0871e-05
2.976e-08
d
yr
n .301302419746266 2.7414e-09 deg/d
Q 2.447484219214711 1.4846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6325 days (17.32 yr)  
   first obs. used      2003-12-21  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:30:00  

Additional Information
 Earth MOID = .967548 au 
 Jupiter MOID = 2.93206 au 
 T_jup = 3.645 
[ 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 17.68   n/a MPCxxxxx  

385948 (2006 UN222)          Discovered 2006-Oct-17 by CSS at Catalina
Reference: Last Updated: 2014-02-19

Alternate Designations
 2006 UN222 = 2008 ER16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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