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447223 (2005 UM16)
Classification: Main-belt Asteroid          SPK-ID: 2447223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147791126780744 1.3344e-07  
a 2.240694735110444 1.068e-08 au
q 1.759440308120989 3.0103e-07 au
i 4.855170979735895 1.0844e-05 deg
node 200.5767944603645 4.3689e-05 deg
peri 179.6026953669306 5.0045e-05 deg
M 136.1748013620605 1.6978e-05 deg
tp 2458537.088595937930
(2019-Feb-22.58859594)
5.6539e-05 TDB
period 1225.10261659045
3.35
8.7591e-06
2.398e-08
d
yr
n .2938529353581059 2.101e-09 deg/d
Q 2.721949162099898 1.2974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      8828 days (24.17 yr)  
   first obs. used      1995-11-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:08:18  

Additional Information
 Earth MOID = .761989 au 
 Jupiter MOID = 2.73768 au 
 T_jup = 3.599 
[ 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 18.5   n/a MPO294808  

447223 (2005 UM16)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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