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24253 (1999 XX120)
Classification: Main-belt Asteroid          SPK-ID: 2024253
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06851481014060481 4.8462e-08  
a 2.339846257381055 6.708e-09 au
q 2.179532135298387 1.1571e-07 au
i 5.98635347663498 4.0889e-06 deg
node 37.24121382906768 3.5881e-05 deg
peri 314.6344873692943 4.2356e-05 deg
M 19.53084463507451 2.1157e-05 deg
tp 2459129.575230166251
(2020-Oct-07.07523017)
7.6893e-05 TDB
period 1307.312490433528
3.58
5.6218e-06
1.539e-08
d
yr
n .2753740996390371 1.1842e-09 deg/d
Q 2.500160379463722 7.1676e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1994-03-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:21  

Additional Information
 Earth MOID = 1.17769 au 
 Jupiter MOID = 2.75208 au 
 T_jup = 3.555 
[ 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 14.77   n/a E2021B10  
rotation period rot_per 2.583 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.]

24253 (1999 XX120)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

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