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13813 (1998 YX)
Classification: Main-belt Asteroid          SPK-ID: 2013813
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736291126352824 3.3981e-08  
a 3.010634944003733 1.7947e-08 au
q 2.747617110543857 1.0336e-07 au
i 11.68751106077389 3.9083e-06 deg
node 99.22931671764236 1.9776e-05 deg
peri 323.5064240001254 3.2664e-05 deg
M 70.41809668262381 2.4774e-05 deg
tp 2458627.277896967595
(2019-May-23.77789697)
0.00013206 TDB
period 1908.031648416028
5.22
1.7061e-05
4.671e-08
d
yr
n .188676115670753 1.6871e-09 deg/d
Q 3.273652777463608 1.9515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2105  
   data-arc span      13689 days (37.48 yr)  
   first obs. used      1982-12-22  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:38:59  

Additional Information
 Earth MOID = 1.77129 au 
 Jupiter MOID = 1.99025 au 
 T_jup = 3.212 
[ 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 12.5   n/a MPO502273  
rotation period rot_per 5.401 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

13813 (1998 YX)          Discovered 1998-Dec-16 by Kobayashi, T. at Oizumi
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YX = 1982 YP2 = 1983 AA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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