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13854 (1999 XX104)
Classification: Main-belt Asteroid          SPK-ID: 2013854
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055597021810371 3.8891e-08  
a 2.403283275218677 9.1962e-09 au
q 2.149593408429926 9.2685e-08 au
i 1.524041702063232 2.9967e-06 deg
node 248.0950966630983 0.00015915 deg
peri 246.2766505121318 0.00015988 deg
M 151.730075923476 1.5919e-05 deg
tp 2458426.945029895478
(2018-Nov-04.44502990)
5.9345e-05 TDB
period 1360.836261241737
3.73
7.8109e-06
2.139e-08
d
yr
n .264543215266403 1.5184e-09 deg/d
Q 2.656973142007428 1.0167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      15083 days (41.30 yr)  
   first obs. used      1979-06-25  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:43:41  

Additional Information
 Earth MOID = 1.16422 au 
 Jupiter MOID = 2.36965 au 
 T_jup = 3.516 
[ 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 15.2   n/a MPO272706  
diameter diameter 7.206 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 246.740 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.]
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

13854 (1999 XX104)          Discovered 1999-Dec-10 by Kobayashi, T. at Oizumi
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XX104 = 1979 MU3 = 1979 OW1 = 1993 FP28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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