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JPL Small-Body Database Browser
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27143 (1998 XK63)
Classification: Main-belt Asteroid          SPK-ID: 2027143
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053571531782713 4.8132e-08  
a 2.224097361944195 8.865e-09 au
q 1.767363059304032 1.0729e-07 au
i 7.286928806019517 4.7268e-06 deg
node 293.0300257517578 3.6002e-05 deg
peri 51.40538287112251 3.7438e-05 deg
M 231.2394456412335 1.354e-05 deg
tp 2459433.820720275192
(2021-Aug-07.32072028)		 4.742e-05 TDB
period 1211.515903111272
3.32		 7.2434e-06
1.983e-08		 d
yr
n .2971483899431204 1.7766e-09 deg/d
Q 2.680831664584359 1.0685e-08 au
   Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      10398 days (28.47 yr)  
   first obs. used      1991-08-10  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:57:48  

Additional Information
 Earth MOID = .769763 au 
 Jupiter MOID = 2.74191 au 
 T_jup = 3.609 
[ 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 15.3   n/a MPO358883  
diameter diameter 2.700 km 0.636 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27143 (1998 XK63)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XK63 = 1991 PQ21 = 1991 RK34 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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