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101506 (1998 XP17)
Classification: Main-belt Asteroid          SPK-ID: 2101506
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886879538598626 3.2253e-08  
a 2.355044070404178 7.9571e-09 au
q 1.910675623509811 7.7365e-08 au
i 2.547989931492882 3.4964e-06 deg
node 116.0937506701673 8.5215e-05 deg
peri 339.8043231944253 8.5843e-05 deg
M 329.9477318455381 1.1401e-05 deg
tp 2459110.697499327582
(2020-Sep-18.19749933)		 4.2099e-05 TDB
period 1320.070071051841
3.61		 6.6903e-06
1.832e-08		 d
yr
n .2727127960057072 1.3821e-09 deg/d
Q 2.799412517298544 9.4585e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-12-13  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:21  

Additional Information
 Earth MOID = .927724 au 
 Jupiter MOID = 2.37385 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457252.5 (2015-Aug-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874031583985012 3.212e-08  
q 1.914402823722207 7.6979e-08 au
tp 2457789.016017185390
(2017-Feb-04.51601719)		 3.9462e-05 TDB
node 116.1486054233626 8.5311e-05 deg
peri 339.5046146068748 8.5952e-05 deg
i 2.546485556353739 3.4931e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-12-13  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:21  

Additional Information
 Jupiter MOID = 2.37385 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.031674137837201E-15 -2.463936529834504E-15 -1.496337749638691E-13 -1.069055640186467E-14 3.734757653078504E-16 -2.390564953604271E-16
q -2.463936529834504E-15 5.925720286639196E-15 4.553475348856467E-13 2.46504687940201E-14 2.002192879019015E-14 6.164837330743328E-16
tp -1.496337749638691E-13 4.553475348856467E-13 1.557270216953544E-9 -7.490538574916207E-12 4.239982658481552E-10 3.82074579429976E-13
node -1.069055640186467E-14 2.46504687940201E-14 -7.490538574916207E-12 7.277997707299352E-9 -7.272639175995861E-9 7.65115314350273E-12
peri 3.734757653078504E-16 2.002192879019015E-14 4.239982658481552E-10 -7.272639175995861E-9 7.387764691556759E-9 -7.559617740994653E-12
i -2.390564953604271E-16 6.164837330743328E-16 3.82074579429976E-13 7.65115314350273E-12 -7.559617740994653E-12 1.220178455215818E-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 15.6   n/a MPO302564  
diameter diameter 1.921 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101506 (1998 XP17)          Discovered 1998-Dec-13 by Viscome, G. R. at Rand
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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