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118322 (1998 XK48)
Classification: Main-belt Asteroid          SPK-ID: 2118322
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871398081082346 3.3987e-08  
a 2.285984501954042 8.972e-09 au
q 1.858185800919964 7.8044e-08 au
i 5.087738535058207 4.126e-06 deg
node 51.06391045813066 4.2421e-05 deg
peri 14.25323760959333 4.3975e-05 deg
M 92.65260557529216 1.158e-05 deg
tp 2458675.589695070568
(2019-Jul-11.08969507)
4.0002e-05 TDB
period 1262.433031951207
3.46
7.4322e-06
2.035e-08
d
yr
n .2851636410713894 1.6788e-09 deg/d
Q 2.713783202988119 1.0651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:19:36  

Additional Information
 Earth MOID = .872121 au 
 Jupiter MOID = 2.59914 au 
 T_jup = 3.573 
[ 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 16.0   n/a MPO417616  

118322 (1998 XK48)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 XK48 = 2000 KQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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