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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20358245492264 3.428e-08  
a 2.378003433452064 7.101e-09 au
q 1.893883656655426 8.1682e-08 au
i 3.846260728638024 3.786e-06 deg
node 74.64105008944777 5.7778e-05 deg
peri 306.9389287063374 5.8545e-05 deg
M 335.8775783815687 8.7032e-06 deg
tp 2459090.250225001487
(2020-Aug-28.75022500)
3.2478e-05 TDB
period 1339.421120798586
3.67
5.9995e-06
1.643e-08
d
yr
n .268772826118616 1.2039e-09 deg/d
Q 2.862123210248702 8.5466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:12  

Additional Information
 Earth MOID = .90005 au 
 Jupiter MOID = 2.59738 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 16.1   n/a MPO474890  
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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