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216322 (2007 UN22)
Classification: Main-belt Asteroid          SPK-ID: 2216322
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09074076360503194 3.6863e-08  
a 2.216502720007234 9.3163e-09 au
q 2.015375570661147 8.2916e-08 au
i 6.663207771578553 5.232e-06 deg
node 203.3400008407184 3.1322e-05 deg
peri 44.55095560941 4.1662e-05 deg
M 142.6088343963323 2.7204e-05 deg
tp 2458723.031462599938
(2019-Aug-27.53146260)
9.0605e-05 TDB
period 1205.315744930056
3.30
7.5992e-06
2.081e-08
d
yr
n .2986769247097909 1.8831e-09 deg/d
Q 2.41762986935332 1.0162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      8939 days (24.47 yr)  
   first obs. used      1996-05-16  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:21  

Additional Information
 Earth MOID = 1.00699 au 
 Jupiter MOID = 2.5883 au 
 T_jup = 3.639 
[ 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 17.69   n/a MPCxxxxx  

216322 (2007 UN22)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2007 UN22 = 1996 KL3 = 2003 KJ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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