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24257 (1999 XQ126)
Classification: Main-belt Asteroid          SPK-ID: 2024257
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09366375279712233 4.4175e-08  
a 2.324719838101068 7.6458e-09 au
q 2.106977853862603 1.0387e-07 au
i 5.481356876440089 4.7458e-06 deg
node 7.76127054568558 2.9707e-05 deg
peri 206.3372895606711 3.4913e-05 deg
M 194.090894664516 2.0315e-05 deg
tp 2459797.153345427346
(2022-Aug-05.65334543)
7.4531e-05 TDB
period 1294.655913667356
3.54
6.387e-06
1.749e-08
d
yr
n .2780661612089905 1.3718e-09 deg/d
Q 2.542461822339533 8.3619e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2006  
   data-arc span      10819 days (29.62 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:32:26  

Additional Information
 Earth MOID = 1.10152 au 
 Jupiter MOID = 2.4252 au 
 T_jup = 3.563 
[ 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 14.60   n/a MPCxxxxx  
rotation period rot_per 22.5168 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.]

24257 (1999 XQ126)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XQ126 = 1985 XC1 = 1991 PB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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