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120950 (1998 UY6)
Classification: Main-belt Asteroid          SPK-ID: 2120950
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1926340463645419 4.0688e-08  
a 2.257496265052921 1.0821e-08 au
q 1.822625624862936 9.1825e-08 au
i 4.660085071146632 4.3252e-06 deg
node 46.83766959419167 5.5395e-05 deg
peri 271.330267100969 5.6558e-05 deg
M 182.8898592258847 1.0661e-05 deg
tp 2459610.008708443659
(2022-Jan-30.50870844)
3.7474e-05 TDB
period 1238.907800991292
3.39
8.9081e-06
2.439e-08
d
yr
n .2905785238513729 2.0893e-09 deg/d
Q 2.692366905242905 1.2906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:24:59  

Additional Information
 Earth MOID = .816888 au 
 Jupiter MOID = 2.61574 au 
 T_jup = 3.593 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457263.5 (2015-Aug-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934301350012674 4.0699e-08  
q 1.820561985867093 9.1921e-08 au
tp 2457132.309814805475
(2015-Apr-19.80981481)
3.7206e-05 TDB
node 46.85471719062081 5.5409e-05 deg
peri 271.3189630445386 5.6559e-05 deg
i 4.660739121331408 4.3242e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:24:59  

Additional Information
 Jupiter MOID = 2.61574 au 
 T_jup = 3.593 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.656409284244571E-15 -3.724353318237641E-15 -1.486538301527445E-13 3.373407178642317E-14 -5.403181947384062E-14 -1.598716967828838E-15
q -3.724353318237641E-15 8.449500986623755E-15 2.585961242731018E-13 -7.356528557710641E-14 9.887544305203257E-14 3.680576756198829E-15
tp -1.486538301527445E-13 2.585961242731018E-13 1.384288852962562E-9 -1.681786202386648E-11 4.401017327854916E-10 7.455618047637487E-13
node 3.373407178642317E-14 -7.356528557710641E-14 -1.681786202386648E-11 3.070123450623433E-9 -3.06434199206389E-9 2.221144889998274E-11
peri -5.403181947384062E-14 9.887544305203257E-14 4.401017327854916E-10 -3.06434199206389E-9 3.198864211164782E-9 -2.187198475651016E-11
i -1.598716967828838E-15 3.680576756198829E-15 7.455618047637487E-13 2.221144889998274E-11 -2.187198475651016E-11 1.869879947362744E-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 16.4   n/a MPO453680  

120950 (1998 UY6)          Discovered 1998-Oct-20 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 UY6 = 2004 FE163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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