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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061723627369799 3.8834e-08  
a 2.402016929643702 9.2533e-09 au
q 2.146989116889204 9.2635e-08 au
i 1.523269443559503 2.9863e-06 deg
node 248.0342839885442 0.00015874 deg
peri 246.5546690833546 0.00015946 deg
M 204.390207245931 1.5855e-05 deg
tp 2459788.255831119161
(2022-Jul-27.75583112)
6.0947e-05 TDB
period 1359.760818763541
3.72
7.8573e-06
2.151e-08
d
yr
n .2647524439830201 1.5299e-09 deg/d
Q 2.6570447423982 1.0236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      15108 days (41.36 yr)  
   first obs. used      1979-06-25  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:10:36  

Additional Information
 Earth MOID = 1.16149 au 
 Jupiter MOID = 2.36852 au 
 T_jup = 3.517 
[ 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 15.22   n/a E2021B10  
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. 2020-October); 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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