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103126 (1999 XX191)
Classification: Main-belt Asteroid          SPK-ID: 2103126
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2253423302001627 2.9017e-08  
a 2.475457353500566 1.2552e-08 au
q 1.917632025151621 7.193e-08 au
i 5.395481251830689 5.6467e-06 deg
node 35.16058343432037 8.1392e-05 deg
peri 34.70359002702106 8.5086e-05 deg
M 100.2363005903673 2.6049e-05 deg
tp 2458604.400650510584
(2019-Apr-30.90065051)
0.00010117 TDB
period 1422.596055284718
3.89
1.082e-05
2.962e-08
d
yr
n .2530584832304696 1.9247e-09 deg/d
Q 3.033282681849512 1.5381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8438 days (23.10 yr)  
   first obs. used      1997-04-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:34  

Additional Information
 Earth MOID = .934582 au 
 Jupiter MOID = 2.28893 au 
 T_jup = 3.440 
[ 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 16.08   n/a E2021B55  
rotation period rot_per 31.8575 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

103126 (1999 XX191)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XX191 = 1997 HL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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