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103195 (1999 XZ243)
Classification: Main-belt Asteroid          SPK-ID: 2103195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722286081860758 3.5232e-08  
a 2.595059508604014 1.2666e-08 au
q 2.148116021277103 8.9495e-08 au
i 15.04975042249721 4.3524e-06 deg
node 15.48154314482332 1.6465e-05 deg
peri 20.38192723057335 2.315e-05 deg
M 55.79967251085043 1.5744e-05 deg
tp 2458963.827085917930
(2020-Apr-24.32708592)
6.6217e-05 TDB
period 1526.93098786516
4.18
1.1179e-05
3.061e-08
d
yr
n .23576704046286 1.7262e-09 deg/d
Q 3.042002995930925 1.4848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      7750 days (21.22 yr)  
   first obs. used      1999-11-01  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:38  

Additional Information
 Earth MOID = 1.15788 au 
 Jupiter MOID = 2.43877 au 
 T_jup = 3.349 
[ 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 15.02   n/a E2021B55  
rotation period rot_per 5.260 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.]

103195 (1999 XZ243)          Discovered 1999-Dec-05 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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