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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819870911367287 3.9471e-08  
a 2.694459957374314 1.1932e-08 au
q 2.204103027547368 1.0716e-07 au
i 3.55732256686072 3.6754e-06 deg
node 126.6409811568246 7.1437e-05 deg
peri 257.4028558337461 7.2067e-05 deg
M 302.5943461842463 1.176e-05 deg
tp 2459458.107317097329
(2021-Aug-31.60731710)
5.3766e-05 TDB
period 1615.496523263855
4.42
1.0731e-05
2.938e-08
d
yr
n .2228417052069397 1.4803e-09 deg/d
Q 3.184816887201259 1.4104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1583  
   data-arc span      23651 days (64.75 yr)  
   first obs. used      1955-11-11  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:30  

Additional Information
 Earth MOID = 1.20971 au 
 Jupiter MOID = 2.27639 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 14.02   n/a E2021B10  

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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