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277400 (2005 UE164)
Classification: Main-belt Asteroid          SPK-ID: 2277400
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460355586841193 4.5073e-08  
a 2.317020939045438 1.7721e-08 au
q 1.978653491729135 1.0515e-07 au
i 3.313541035316518 6.8097e-06 deg
node 4.431091589374683 8e-05 deg
peri 254.5443926420653 8.343e-05 deg
M 176.9521428616057 2.2417e-05 deg
tp 2458367.291566920157
(2018-Sep-05.79156692)
7.9969e-05 TDB
period 1288.229869513517
3.53
1.4779e-05
4.046e-08
d
yr
n .2794532315385213 3.206e-09 deg/d
Q 2.655388386361742 2.0309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-09-13  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:18:40  

Additional Information
 Earth MOID = .966677 au 
 Jupiter MOID = 2.40604 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146090910570246 4.4941e-08  
q 1.978470621544606 1.0484e-07 au
tp 2457079.939024424326
(2015-Feb-26.43902442)
8.1729e-05 TDB
node 4.46514431637746 7.9923e-05 deg
peri 254.6713640980428 8.337e-05 deg
i 3.315484789041803 6.8123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-09-13  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:18:40  

Additional Information
 Jupiter MOID = 2.40604 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.019698691378715E-15 -4.662186377826923E-15 -8.493243326684227E-13 -9.347202842148759E-15 -2.975619957424751E-13 6.616795317193036E-16
q -4.662186377826923E-15 1.099224105706215E-14 1.722001847354785E-12 2.179423791804935E-14 6.336121365198363E-13 -8.982832485963609E-16
tp -8.493243326684227E-13 1.722001847354785E-12 6.679705542624732E-9 -7.845776121788188E-12 1.948205725193263E-9 -8.310493636190799E-12
node -9.347202842148759E-15 2.179423791804935E-14 -7.845776121788188E-12 6.387735806226887E-9 -6.37818064804833E-9 2.696099009315129E-11
peri -2.975619957424751E-13 6.336121365198363E-13 1.948205725193263E-9 -6.37818064804833E-9 6.950583140690142E-9 -2.923038145505633E-11
i 6.616795317193036E-16 -8.982832485963609E-16 -8.310493636190799E-12 2.696099009315129E-11 -2.923038145505633E-11 4.640801016706704E-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 17.3   n/a MPO440344  

277400 (2005 UE164)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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