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277532 (2005 XX117)
Classification: Main-belt Asteroid          SPK-ID: 2277532
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08442027756747945 8.6435e-08  
a 2.754989027212603 2.738e-08 au
q 2.522412088839954 2.4066e-07 au
i 4.979881858980007 6.2291e-06 deg
node 45.71098787677164 8.8464e-05 deg
peri 332.4847872736692 9.7769e-05 deg
M 166.4788131424987 4.0689e-05 deg
tp 2458428.113441521939
(2018-Nov-05.61344152)		 0.00018723 TDB
period 1670.237526345741
4.57		 2.4899e-05
6.817e-08		 d
yr
n .2155382059865655 3.2131e-09 deg/d
Q 2.98756596558525 2.9691e-08 au
   Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      7022 days (19.23 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:39  

Additional Information
 Earth MOID = 1.52442 au 
 Jupiter MOID = 2.43093 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457447.5 (2016-Feb-29.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08229747308939292 8.6284e-08  
q 2.531186684372115 2.3946e-07 au
tp 2456754.227629366035
(2014-Apr-06.72762937)		 0.00019303 TDB
node 45.75567930612623 8.855e-05 deg
peri 332.1292543469025 9.8384e-05 deg
i 4.976615455853839 6.2239e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      7022 days (19.23 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:39  

Additional Information
 Jupiter MOID = 2.43093 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.444857254815329E-15 -2.054699392333431E-14 -8.594377431350844E-12 -8.578286782077067E-14 -2.11060032030883E-12 5.539657950492159E-15
q -2.054699392333431E-14 5.734013428186895E-14 2.344616443885284E-11 2.379644654114799E-13 5.822392610543088E-12 -1.508322696753155E-14
tp -8.594377431350844E-12 2.344616443885284E-11 3.726022560760393E-8 1.996979998919849E-10 8.341616033062961E-9 -1.668262445285478E-11
node -8.578286782077067E-14 2.379644654114799E-13 1.996979998919849E-10 7.841028320687995E-9 -7.763599159880131E-9 -1.990581379415513E-10
peri -2.11060032030883E-12 5.822392610543088E-12 8.341616033062961E-9 -7.763599159880131E-9 9.679349637182304E-9 1.94443033789823E-10
i 5.539657950492159E-15 -1.508322696753155E-14 -1.668262445285478E-11 -1.990581379415513E-10 1.94443033789823E-10 3.873631284842685E-11

[ 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 16.9   n/a MPO534033  
diameter diameter 2.702 km 0.461 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277532 (2005 XX117)          Discovered 2005-Dec-06 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 XX117 = 2009 SV214 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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