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277998 (2006 UE85)
Classification: Main-belt Asteroid          SPK-ID: 2277998
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237580715917735 5.8949e-08  
a 2.215392459665705 1.612e-08 au
q 1.941219761038521 1.3807e-07 au
i 1.781148963784135 6.1639e-06 deg
node 328.8545978576362 0.00020166 deg
peri 120.9658935272053 0.0002063 deg
M 5.237432640452415 3.8995e-05 deg
tp 2458982.977729261220
(2020-May-13.47772926)
0.00013038 TDB
period 1204.410232838059
3.30
1.3145e-05
3.599e-08
d
yr
n .2989014790680581 3.2623e-09 deg/d
Q 2.489565158292888 1.8115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5797 days (15.87 yr)  
   first obs. used      2004-01-13  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59176  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:12:18  

Additional Information
 Earth MOID = .958469 au 
 Jupiter MOID = 2.66884 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457613.5 (2016-Aug-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228757577459196 5.8752e-08  
q 1.943321637929938 1.3756e-07 au
tp 2457777.530504877757
(2017-Jan-24.03050488)
0.00012727 TDB
node 328.9803398602722 0.00020155 deg
peri 120.5808003059174 0.0002063 deg
i 1.781470999648125 6.1666e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5797 days (15.87 yr)  
   first obs. used      2004-01-13  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59176  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:12:18  

Additional Information
 Jupiter MOID = 2.66884 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.451782781274506E-15 -8.049482234346522E-15 -9.402770117979924E-14 -2.853709297634021E-14 1.328513728199778E-13 -3.333074583965406E-15
q -8.049482234346522E-15 1.892381318177034E-14 7.850174448530043E-13 5.795009629371695E-14 -1.232884637294314E-13 8.267216142556738E-15
tp -9.402770117979924E-14 7.850174448530043E-13 1.619887226643093E-8 -1.866326474969199E-10 5.622096550894203E-9 6.589816908544243E-12
node -2.853709297634021E-14 5.795009629371695E-14 -1.866326474969199E-10 4.062433888393144E-8 -4.066746886005395E-8 2.29598305045527E-10
peri 1.328513728199778E-13 -1.232884637294314E-13 5.622096550894203E-9 -4.066746886005395E-8 4.256041711107339E-8 -2.274819002777592E-10
i -3.333074583965406E-15 8.267216142556738E-15 6.589816908544243E-12 2.29598305045527E-10 -2.274819002777592E-10 3.802668388214349E-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 18.2   n/a MPO418479  

277998 (2006 UE85)          Discovered 2004-Jan-13 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2006 UE85 = 2011 EQ72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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