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101522 (1998 XJ63)
Classification: Main-belt Asteroid          SPK-ID: 2101522
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705012443159509 4.193e-08  
a 2.39701681212325 9.1725e-09 au
q 1.988322463009982 1.0224e-07 au
i 6.841210551280079 3.6624e-06 deg
node 287.6356192432695 4.0619e-05 deg
peri 109.3218784533223 4.2693e-05 deg
M 305.9858469417207 1.2287e-05 deg
tp 2459203.880877585061
(2020-Dec-20.38087759)
4.6195e-05 TDB
period 1355.517244741822
3.71
7.7806e-06
2.13e-08
d
yr
n .2655812763699418 1.5244e-09 deg/d
Q 2.805711161236518 1.0736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:22  

Additional Information
 Earth MOID = 1.00834 au 
 Jupiter MOID = 2.63574 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457731.5 (2016-Dec-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722718108791579 4.21e-08  
q 1.983742708123463 1.0285e-07 au
tp 2457847.573761260369
(2017-Apr-04.07376126)
4.6137e-05 TDB
node 287.6899073356498 4.0691e-05 deg
peri 109.1151886733064 4.2679e-05 deg
i 6.8360520050605 3.6587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:22  

Additional Information
 Jupiter MOID = 2.63574 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.77237904163292E-15 -4.318917312976303E-15 -6.41269243193337E-13 3.171344812493081E-15 -1.350841586440672E-13 -6.984417863739808E-15
q -4.318917312976303E-15 1.057900502686141E-14 1.468518474326529E-12 -6.845270561077246E-15 3.013581002134533E-13 1.71385939682612E-14
tp -6.41269243193337E-13 1.468518474326529E-12 2.128636671115661E-9 -2.237227646447269E-12 6.171600306882447E-10 5.779598338373886E-12
node 3.171344812493081E-15 -6.845270561077246E-15 -2.237227646447269E-12 1.655748647391552E-9 -1.644722500409142E-9 4.304510959683666E-11
peri -1.350841586440672E-13 3.013581002134533E-13 6.171600306882447E-10 -1.644722500409142E-9 1.821483023769714E-9 -4.128323350591643E-11
i -6.984417863739808E-15 1.71385939682612E-14 5.779598338373886E-12 4.304510959683666E-11 -4.128323350591643E-11 1.338609625202144E-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 15.3   n/a MPO474890  
diameter diameter 2.169 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101522 (1998 XJ63)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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