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JPL Small-Body Database Browser
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172824 (2004 XA)
Classification: Inner Main-belt Asteroid          SPK-ID: 2172824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0411501387617048 7.2883e-08  
a 1.944427563511967 1.3732e-08 au
q 1.864414099461366 1.3524e-07 au
i 23.45924763340722 7.8919e-06 deg
node 270.4873066523999 1.5225e-05 deg
peri 238.2486880038109 9.2907e-05 deg
M 186.4914776971817 8.9269e-05 deg
tp 2459477.814239293228
(2021-Sep-20.31423929)
0.00024427 TDB
period 990.3440122996818
2.71
1.0491e-05
2.872e-08
d
yr
n .3635100485578163 3.8507e-09 deg/d
Q 2.024441027562568 1.4297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      6421 days (17.58 yr)  
   first obs. used      2001-09-26  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:28:46  

Additional Information
 Earth MOID = .911126 au 
 Jupiter MOID = 3.16586 au 
 T_jup = 3.797 
[ 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 16.0   n/a MPO469851  

172824 (2004 XA)          Discovered 2004-Dec-01 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2004 XA = 2001 VL78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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