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277414 (2005 UD231)
Classification: Main-belt Asteroid          SPK-ID: 2277414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126270134118821 8.5724e-08  
a 2.566747244180658 2.7875e-08 au
q 2.020987443467346 2.1992e-07 au
i 17.16221988724541 2.4189e-05 deg
node 43.44831676233845 4.1651e-05 deg
peri 84.44899294135791 6.973e-05 deg
M 185.4853673161478 5.3274e-05 deg
tp 2459928.619111085780
(2022-Dec-15.11911109)
0.00022304 TDB
period 1502.010897078976
4.11
2.4468e-05
6.699e-08
d
yr
n .2396786872186528 3.9044e-09 deg/d
Q 3.11250704489397 3.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:48  

Additional Information
 Earth MOID = 1.11739 au 
 Jupiter MOID = 2.21327 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137432023118351 8.3185e-08  
q 2.016378892283139 2.1189e-07 au
tp 2456925.353547427994
(2014-Sep-24.85354743)
0.00021923 TDB
node 43.63582617483278 4.1712e-05 deg
peri 83.88512601153138 6.9858e-05 deg
i 17.18932039163951 2.4182e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:48  

Additional Information
 Jupiter MOID = 2.21327 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.919668821458781E-15 -1.753924627553415E-14 1.465980670483619E-11 7.468058894247305E-14 3.726518699239105E-12 -8.945985979123854E-14
q -1.753924627553415E-14 4.489680779531686E-14 -3.780948577643751E-11 -2.011475131379851E-13 -9.61853819403324E-12 2.371570272277698E-13
tp 1.465980670483619E-11 -3.780948577643751E-11 4.806000214399199E-8 1.826427891991654E-10 1.251609720530312E-8 -2.396312154637457E-10
node 7.468058894247305E-14 -2.011475131379851E-13 1.826427891991654E-10 1.739901841896605E-9 -1.616156795544045E-9 -8.914903866256705E-10
peri 3.726518699239105E-12 -9.61853819403324E-12 1.251609720530312E-8 -1.616156795544045E-9 4.880162492273624E-9 7.903025634125416E-10
i -8.945985979123854E-14 2.371570272277698E-13 -2.396312154637457E-10 -8.914903866256705E-10 7.903025634125416E-10 5.847698444892651E-10

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 17.6   n/a MPO423064  

277414 (2005 UD231)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 UD231 = 2010 AH125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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