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JPL Small-Body Database Browser
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24198 Xiaomengzeng (1999 XB39)
Classification: Main-belt Asteroid          SPK-ID: 2024198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825534144947762 4.006e-08  
a 2.69355912216909 1.18e-08 au
q 2.201840707273571 1.0883e-07 au
i 3.556140124005197 3.7641e-06 deg
node 126.649392582625 7.2595e-05 deg
peri 257.5364816558053 7.3237e-05 deg
M 257.9358718942577 1.1679e-05 deg
tp 2459458.282118672722
(2021-Aug-31.78211867)
5.4067e-05 TDB
period 1614.686430784373
4.42
1.0611e-05
2.905e-08
d
yr
n .2229535054834896 1.4651e-09 deg/d
Q 3.185277537064609 1.3955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      23192 days (63.50 yr)  
   first obs. used      1955-11-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5207  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:15:42  

Additional Information
 Earth MOID = 1.20877 au 
 Jupiter MOID = 2.27457 au 
 T_jup = 3.344 
[ 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 14.0   n/a MPO435927  

24198 Xiaomengzeng           Discovered 1999 Dec. 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Xiaomeng Zeng (b. 1989) is a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors, for her behavioral and social sciences project. She attends the West High School, Iowa City, Iowa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080221/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 1999 XB39 = 1981 TU2 = 2001 BA66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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