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277458 (2005 UK518)
Classification: Main-belt Asteroid          SPK-ID: 2277458
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0628273768883526 5.2118e-08  
a 3.07958717024682 3.0132e-08 au
q 2.886104786441188 1.6085e-07 au
i 11.27890880654853 5.3256e-06 deg
node 124.9934014272931 2.9397e-05 deg
peri 274.3845533296458 5.6228e-05 deg
M 258.2631959254443 5.0444e-05 deg
tp 2459558.344003886793
(2021-Dec-09.84400389)
0.00028162 TDB
period 1973.954688532147
5.40
2.8971e-05
7.932e-08
d
yr
n .1823750069297182 2.6767e-09 deg/d
Q 3.273069554052452 3.2025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      9473 days (25.94 yr)  
   first obs. used      1993-06-20  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:56  

Additional Information
 Earth MOID = 1.92262 au 
 Jupiter MOID = 2.01513 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456795.5 (2014-May-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06688794985166119 5.2611e-08  
q 2.868154133846385 1.6327e-07 au
tp 2457589.320306304254
(2016-Jul-19.82030630)
0.00024761 TDB
node 125.1182742452878 2.951e-05 deg
peri 274.6973295595615 5.3652e-05 deg
i 11.26331353740995 5.3201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      9473 days (25.94 yr)  
   first obs. used      1993-06-20  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:56  

Additional Information
 Jupiter MOID = 2.01513 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.767872782551412E-15 -8.471864524044267E-15 1.586497721205969E-12 -8.567834963108021E-16 3.190135777327912E-13 -2.209722256718441E-15
q -8.471864524044267E-15 2.665607877572464E-14 -1.243160301681208E-12 4.370814258883538E-16 -3.655156044182679E-13 8.444801882408033E-15
tp 1.586497721205969E-12 -1.243160301681208E-12 6.130947716262262E-8 -1.084222650540509E-11 1.113394526151548E-8 1.84674422050408E-13
node -8.567834963108021E-16 4.370814258883538E-16 -1.084222650540509E-11 8.708207423794961E-10 -8.558021453656237E-10 -2.746178121424411E-11
peri 3.190135777327912E-13 -3.655156044182679E-13 1.113394526151548E-8 -8.558021453656237E-10 2.878586134856623E-9 2.683327287218996E-11
i -2.209722256718441E-15 8.444801882408033E-15 1.84674422050408E-13 -2.746178121424411E-11 2.683327287218996E-11 2.830306576972348E-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 16.0   n/a MPO476189  

277458 (2005 UK518)          Discovered 2005-Oct-25 by Becker, A. C. at Apache Point
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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