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541590 (2011 UM12)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541590
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122141792473317 7.8593e-08  
a 1.916011122450934 1.9621e-08 au
q 1.701007506916343 1.5134e-07 au
i 21.13435390437274 1.1718e-05 deg
node 19.52161899455619 2.0366e-05 deg
peri 68.37283959332854 0.00045091 deg
M 115.5660969766544 0.00036619 deg
tp 2458889.526479048720
(2020-Feb-10.02647905)
0.00098939 TDB
period 968.7137531786331
2.65
1.488e-05
4.074e-08
d
yr
n .3716268080418336 5.7086e-09 deg/d
Q 2.131014737985524 2.1823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5918 days (16.20 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:26  

Additional Information
 Earth MOID = .783682 au 
 Jupiter MOID = 3.08448 au 
 T_jup = 3.841 
[ 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 19.2   n/a MPO504419  

541590 (2011 UM12)          Discovered 2003-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UM12 = 2015 FY132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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