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JPL Small-Body Database Browser
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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736291120726139 3.5994e-08  
a 3.010634943973908 1.8917e-08 au
q 2.747617110686038 1.1127e-07 au
i 11.68751147781489 3.9774e-06 deg
node 99.22931391596428 2.172e-05 deg
peri 323.5064263599693 3.4161e-05 deg
M 70.41809705431562 2.544e-05 deg
tp 2458627.277895003141
(2019-May-23.77789500)
0.00013533 TDB
period 1908.031648387675
5.22
1.7983e-05
4.923e-08
d
yr
n .1886761156735566 1.7783e-09 deg/d
Q 3.273652777261779 2.057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      13529 days (37.04 yr)  
   first obs. used      1982-12-22  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:15:41  

Additional Information
 Earth MOID = 1.77129 au 
 Jupiter MOID = 1.99025 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456940.5 (2014-Oct-10.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08518374671798745 3.6027e-08  
q 2.756148232943442 1.1122e-07 au
tp 2456725.951782453692
(2014-Mar-09.45178245)
0.00014288 TDB
node 99.34539460739394 2.1673e-05 deg
peri 324.824474252749 3.4596e-05 deg
i 11.69719714815744 3.9806e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      13529 days (37.04 yr)  
   first obs. used      1982-12-22  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:15:41  

Additional Information
 Jupiter MOID = 1.99025 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.297974366796313E-15 -3.957261203521555E-15 -3.061851039559695E-13 2.898304657273376E-15 -8.295569045889891E-14 -2.007865746334499E-16
q -3.957261203521555E-15 1.236960404158974E-14 1.286937030105307E-13 -6.757123333448607E-15 1.060399860589049E-13 1.079168068751009E-15
tp -3.061851039559695E-13 1.286937030105307E-13 2.041327731318927E-8 -4.021781446761816E-12 3.880812393776665E-9 -1.293437797579463E-12
node 2.898304657273376E-15 -6.757123333448607E-15 -4.021781446761816E-12 4.697297617104195E-10 -4.602967455888481E-10 9.587508302183535E-13
peri -8.295569045889891E-14 1.060399860589049E-13 3.880812393776665E-9 -4.602967455888481E-10 1.196907934168559E-9 -1.151802251254391E-12
i -2.007865746334499E-16 1.079168068751009E-15 -1.293437797579463E-12 9.587508302183535E-13 -1.151802251254391E-12 1.584521370323178E-11

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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