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442446 (2011 UX194)
Classification: Main-belt Asteroid          SPK-ID: 2442446
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1851911048785141 8.6753e-08  
a 3.126152775791511 7.7415e-08 au
q 2.547217089223647 2.8912e-07 au
i 13.21129097449587 8.7075e-06 deg
node 193.2350143811196 2.8829e-05 deg
peri 211.387500494154 3.8069e-05 deg
M 194.0871622797793 3.4249e-05 deg
tp 2459930.946089433170
(2022-Dec-17.44608943)
0.00021757 TDB
period 2018.894961948551
5.53
7.4993e-05
2.053e-07
d
yr
n .1783153689444761 6.6236e-09 deg/d
Q 3.705088462359375 9.1752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4440 days (12.16 yr)  
   first obs. used      2008-03-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:58  

Additional Information
 Earth MOID = 1.56498 au 
 Jupiter MOID = 1.77026 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457646.5 (2016-Sep-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858372674318711 8.6669e-08  
q 2.546277792839089 2.8917e-07 au
tp 2457913.856048888217
(2017-Jun-09.35604889)
0.00016639 TDB
node 193.2456925439218 2.8823e-05 deg
peri 211.6599006783588 3.8045e-05 deg
i 13.21230707756719 8.708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4440 days (12.16 yr)  
   first obs. used      2008-03-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:58  

Additional Information
 Jupiter MOID = 1.77026 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.51155343113993E-15 -2.447128007149471E-14 -7.671070511832759E-12 -3.182403624446096E-14 -9.598092305027955E-13 1.059947030868479E-15
q -2.447128007149471E-14 8.361815149287182E-14 2.985272807274467E-11 1.079270266713029E-13 3.795061032414595E-12 7.90299277985724E-15
tp -7.671070511832759E-12 2.985272807274467E-11 2.76843576422747E-8 4.542243601331466E-11 4.150091309745146E-9 3.331897654809791E-11
node -3.182403624446096E-14 1.079270266713029E-13 4.542243601331466E-11 8.307405634712293E-10 -8.020607889773278E-10 -2.040660139054243E-11
peri -9.598092305027955E-13 3.795061032414595E-12 4.150091309745146E-9 -8.020607889773278E-10 1.447423917474661E-9 2.506489027369307E-11
i 1.059947030868479E-15 7.90299277985724E-15 3.331897654809791E-11 -2.040660139054243E-11 2.506489027369307E-11 7.582963859954526E-11

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 16.0   n/a MPO472462  

442446 (2011 UX194)          Discovered 2008-Mar-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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