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146654 (2001 UG101)
Classification: Main-belt Asteroid          SPK-ID: 2146654
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09502413444726927 5.3993e-08  
a 2.574138180007802 1.4387e-08 au
q 2.329532927504891 1.441e-07 au
i 1.647965348658179 5.1766e-06 deg
node 42.15750047905027 0.00015541 deg
peri 172.9405559487054 0.000157 deg
M 343.1982083847108 2.2011e-05 deg
tp 2459070.904319383457
(2020-Aug-09.40431938)
9.2287e-05 TDB
period 1508.503114333391
4.13
1.2647e-05
3.463e-08
d
yr
n .2386471705489877 2.0007e-09 deg/d
Q 2.818743432510712 1.5754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Earth MOID = 1.32265 au 
 Jupiter MOID = 2.14618 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456999.5 (2014-Dec-08.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09631264133789759 5.3767e-08  
q 2.325883371879912 1.4368e-07 au
tp 2457561.565630353326
(2016-Jun-22.06563035)
9.082e-05 TDB
node 42.18537094793473 0.00015536 deg
peri 172.9459512553864 0.00015692 deg
i 1.648499600753461 5.1758e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Jupiter MOID = 2.14618 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.890882493794695E-15 -7.69773175467223E-15 -1.833104497398783E-12 -4.007181981131353E-14 -3.531046935711294E-13 -2.283640990972404E-16
q -7.69773175467223E-15 2.064427791207225E-14 4.680336263236312E-12 1.076686494990675E-13 8.772489304145741E-13 6.349733347475267E-16
tp -1.833104497398783E-12 4.680336263236312E-12 8.248279318811659E-9 2.353608807995723E-11 2.015275450197669E-9 1.616127069190799E-13
node -4.007181981131353E-14 1.076686494990675E-13 2.353608807995723E-11 2.413784141356177E-8 -2.412253123250409E-8 -3.668116567215982E-10
peri -3.531046935711294E-13 8.772489304145741E-13 2.015275450197669E-9 -2.412253123250409E-8 2.462302451543663E-8 3.66702780071948E-10
i -2.283640990972404E-16 6.349733347475267E-16 1.616127069190799E-13 -3.668116567215982E-10 3.66702780071948E-10 2.678876612681834E-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 15.9   n/a MPO426925  

146654 (2001 UG101)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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