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24172 (1999 XG1)
Classification: Main-belt Asteroid          SPK-ID: 2024172
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07226836472918811 1.0754e-08  
a 2.364488783280446 6.524e-09 au
q 2.193611045492261 2.4217e-08 au
i 7.734801429277748 2.5847e-07 deg
node 109.1873311326349 6.7948e-06 deg
peri 133.1314432076874 1.5084e-05 deg
M 135.9727721456348 1.5829e-05 deg
tp 2458698.904345800621
(2019-Aug-03.40434580)
5.8194e-05 TDB
period 1328.019078101685
3.64
5.4963e-06
1.505e-08
d
yr
n .271080442996795 1.1219e-09 deg/d
Q 2.535366521068632 6.9955e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2448  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:36:53  

Additional Information
 Earth MOID = 1.18608 au 
 Jupiter MOID = 2.48617 au 
 T_jup = 3.533 
[ 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 14.28   n/a E2021B10  

24172 (1999 XG1)          Discovered 1999-Dec-02 by Kobayashi, T. at Oizumi
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XG1 = 1994 NB11 = 1998 SN14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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