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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050561588357356 4.9237e-08  
a 2.22461872864031 9.0136e-09 au
q 1.76844695727129 1.0951e-07 au
i 7.286470344860661 4.9241e-06 deg
node 293.0270376627346 3.6199e-05 deg
peri 51.42703796328771 3.7737e-05 deg
M 112.3776448937646 1.31e-05 deg
tp 2458222.180056514058
(2018-Apr-13.68005651)		 4.2645e-05 TDB
period 1211.941928340731
3.32		 7.3657e-06
2.017e-08		 d
yr
n .2970439355067745 1.8053e-09 deg/d
Q 2.68079050000933 1.0862e-08 au
   Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      10070 days (27.57 yr)  
   first obs. used      1991-08-10  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:01:53  

Additional Information
 Earth MOID = .769944 au 
 Jupiter MOID = 2.73867 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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