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103016 (1999 XH105)
Classification: Main-belt Asteroid          SPK-ID: 2103016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547711421018867 6.497e-08  
a 2.709392839274403 1.6876e-08 au
q 2.29005701513723 1.782e-07 au
i 11.71529044557419 7.0823e-06 deg
node 31.35429841228612 2.0731e-05 deg
peri 351.5503276383786 2.5723e-05 deg
M 223.357217118736 1.7586e-05 deg
tp 2459618.787679407750
(2022-Feb-08.28767941)
8.2775e-05 TDB
period 1628.94490212633
4.46
1.522e-05
4.167e-08
d
yr
n .2210019501151186 2.0649e-09 deg/d
Q 3.128728663411576 1.9488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:12  

Additional Information
 Earth MOID = 1.29457 au 
 Jupiter MOID = 2.32659 au 
 T_jup = 3.317 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO469040  
rotation period rot_per 3.360 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.]

103016 (1999 XH105)          Discovered 1999-Dec-08 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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