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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982753668473741 4.3839e-08  
a 2.429685473994749 1.3248e-08 au
q 1.947938695314704 1.0701e-07 au
i 3.279556946995712 4.6609e-06 deg
node 134.9038013895139 8.6026e-05 deg
peri 231.8421587544844 8.6788e-05 deg
M 285.4965671249278 1.4542e-05 deg
tp 2459286.784144652008
(2021-Mar-13.28414465)		 5.7113e-05 TDB
period 1383.322728867249
3.79		 1.1314e-05
3.098e-08		 d
yr
n .2602429588464801 2.1285e-09 deg/d
Q 2.911432252674794 1.5875e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:07:14  

Additional Information
 Earth MOID = .948445 au 
 Jupiter MOID = 2.55002 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 16.0   n/a MPO325163  

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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