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101542 (1998 YK18)
Classification: Main-belt Asteroid          SPK-ID: 2101542
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978998927558414 4.389e-08  
a 2.429254837700264 1.3574e-08 au
q 1.948505565842773 1.0693e-07 au
i 3.280455597555464 4.662e-06 deg
node 134.8981617310351 8.5986e-05 deg
peri 231.8148601390982 8.6749e-05 deg
M 337.5444889257437 1.4767e-05 deg
tp 2459286.763779939306
(2021-Mar-13.26377994)		 5.7122e-05 TDB
period 1382.954975972581
3.79		 1.1591e-05
3.173e-08		 d
yr
n .2603121621850526 2.1818e-09 deg/d
Q 2.910004109557755 1.626e-08 au
   Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      8905 days (24.38 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:18  

Additional Information
 Earth MOID = .947445 au 
 Jupiter MOID = 2.55241 au 
 T_jup = 3.479 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.05   n/a E2021B55  

101542 (1998 YK18)          Discovered 1998-Dec-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 YK18 = 2002 YU22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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