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101504 (1998 XK13)
Classification: Main-belt Asteroid          SPK-ID: 2101504
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036170547585204 3.2289e-08  
a 2.378111918394147 6.4415e-09 au
q 1.893887773684596 7.6248e-08 au
i 3.846204039837692 3.7558e-06 deg
node 74.64115342111185 4.7146e-05 deg
peri 306.9680820182784 4.8008e-05 deg
M 29.61112401475419 7.7528e-06 deg
tp 2459090.320891633003
(2020-Aug-28.82089163)		 2.8803e-05 TDB
period 1339.51277879068
3.67		 5.4424e-06
1.49e-08		 d
yr
n .2687544349707586 1.092e-09 deg/d
Q 2.862336063103698 7.7531e-09 au
   Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-10-20  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:05  

Additional Information
 Earth MOID = .898755 au 
 Jupiter MOID = 2.59829 au 
 T_jup = 3.509 
[ show covariance matrix ]

[ 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 16.31   n/a E2021B55  
diameter diameter 1.550 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101504 (1998 XK13)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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