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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888001746340963 2.9437e-08  
a 2.355398202129977 7.1589e-09 au
q 1.910698610235001 6.955e-08 au
i 2.547996760656496 3.4642e-06 deg
node 116.0931538779692 7.9924e-05 deg
peri 339.7782300790645 8.0558e-05 deg
M 24.50288062305809 1.0463e-05 deg
tp 2459110.631068305076
(2020-Sep-18.13106831)
3.82e-05 TDB
period 1320.367833801857
3.61
6.0196e-06
1.648e-08
d
yr
n .2726512951799338 1.243e-09 deg/d
Q 2.800097794024953 8.5105e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:51  

Additional Information
 Earth MOID = .927524 au 
 Jupiter MOID = 2.37324 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457402.5 (2016-Jan-15.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873421590300948 2.931e-08  
q 1.91456897134862 6.9159e-08 au
tp 2457789.077290840736
(2017-Feb-04.57729084)
3.6625e-05 TDB
node 116.1484488518461 8.0024e-05 deg
peri 339.5116069545792 8.0673e-05 deg
i 2.546463661884637 3.4608e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:51  

Additional Information
 Jupiter MOID = 2.37324 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.59085565525805E-16 -2.019829072298137E-15 4.241814017778295E-14 -9.639263602621335E-15 3.500832553369746E-14 -1.568297306725639E-16
q -2.019829072298137E-15 4.782923612154931E-15 -3.936173122430937E-14 2.202513133396033E-14 -6.935247096724302E-14 4.005828487197957E-16
tp 4.241814017778295E-14 -3.936173122430937E-14 1.341370388129346E-9 -8.27849978170674E-12 3.845546247487031E-10 2.626495286395078E-13
node -9.639263602621335E-15 2.202513133396033E-14 -8.27849978170674E-12 6.403783638054126E-9 -6.399477381078946E-9 2.05271750869409E-11
peri 3.500832553369746E-14 -6.935247096724302E-14 3.845546247487031E-10 -6.399477381078946E-9 6.508157193373707E-9 -2.044560774489261E-11
i -1.568297306725639E-16 4.005828487197957E-16 2.626495286395078E-13 2.05271750869409E-11 -2.044560774489261E-11 1.197737992281639E-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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