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442427 (2011 UV131)
Classification: Main-belt Asteroid          SPK-ID: 2442427
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214564874954208 1.2112e-07  
a 2.589701783236938 3.4215e-08 au
q 2.016195522660658 3.3596e-07 au
i 5.554374373489125 7.8114e-06 deg
node 341.1528899030725 4.5636e-05 deg
peri 25.67798852037728 5.0744e-05 deg
M 45.22620308611965 1.3873e-05 deg
tp 2458809.267946582039
(2019-Nov-21.76794658)
5.8791e-05 TDB
period 1522.204707288256
4.17
3.0167e-05
8.259e-08
d
yr
n .2364990715613571 4.6869e-09 deg/d
Q 3.163208043813218 4.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      9203 days (25.20 yr)  
   first obs. used      1994-09-04  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:03  

Additional Information
 Earth MOID = 1.01624 au 
 Jupiter MOID = 2.30962 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457748.5 (2016-Dec-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236034638110457 1.2162e-07  
q 2.009461625357055 3.3751e-07 au
tp 2457285.234844281340
(2015-Sep-19.73484428)
6.573e-05 TDB
node 341.366954033229 4.547e-05 deg
peri 25.09956470285915 5.0404e-05 deg
i 5.567252083753076 7.8275e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      9203 days (25.20 yr)  
   first obs. used      1994-09-04  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:03  

Additional Information
 Jupiter MOID = 2.30962 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.479054657427148E-14 -4.100656945657544E-14 3.546881878830158E-12 1.653963743137172E-14 1.211802642135609E-12 -5.954233161331298E-14
q -4.100656945657544E-14 1.139139901966411E-13 -1.0072798150892E-11 -4.983619443459791E-14 -3.408625890504541E-12 1.665653939579026E-13
tp 3.546881878830158E-12 -1.0072798150892E-11 4.320457768252372E-9 2.545461528411626E-11 1.435918772720724E-9 -1.449012915473107E-11
node 1.653963743137172E-14 -4.983619443459791E-14 2.545461528411626E-11 2.067558086820588E-9 -2.047713243180684E-9 1.069646220993512E-10
peri 1.211802642135609E-12 -3.408625890504541E-12 1.435918772720724E-9 -2.047713243180684E-9 2.540598212164549E-9 -1.113333314925102E-10
i -5.954233161331298E-14 1.665653939579026E-13 -1.449012915473107E-11 1.069646220993512E-10 -1.113333314925102E-10 6.126994535551131E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO495192  

442427 (2011 UV131)          Discovered 2011-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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