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JPL Small-Body Database Browser
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442471 (2011 UM300)
Classification: Main-belt Asteroid          SPK-ID: 2442471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .04001960800319149 5.8876e-08  
a 2.994389262617692 4.933e-08 au
q 2.874554978118767 1.6927e-07 au
i 11.75614125271772 8.9253e-06 deg
node 69.4919115009311 3.0682e-05 deg
peri 75.19038994263245 0.00011678 deg
M 152.9674969445282 0.00011125 deg
tp 2458196.312216226740
(2018-Mar-18.81221623)
0.00058787 TDB
period 1892.60861255617
5.18
4.6769e-05
1.28e-07
d
yr
n .1902136541129767 4.7004e-09 deg/d
Q 3.114223547116619 5.1304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5902 days (16.16 yr)  
   first obs. used      2003-03-31  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:16  

Additional Information
 Earth MOID = 1.91608 au 
 Jupiter MOID = 1.9669 au 
 T_jup = 3.222 
[ 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 16.4   n/a MPO477089  

442471 (2011 UM300)          Discovered 2006-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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