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JPL Small-Body Database Browser
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172631 (2003 XX20)
Classification: Main-belt Asteroid          SPK-ID: 2172631
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03301588396653585 7.3641e-08  
a 2.57171437708442 2.2645e-08 au
q 2.486806953615529 1.967e-07 au
i 12.33347384329552 6.574e-06 deg
node 267.0020793365354 3.3008e-05 deg
peri 324.411710406065 0.00015722 deg
M 202.1766430990631 0.0001593 deg
tp 2459660.891237088019
(2022-Mar-22.39123709)
0.00066802 TDB
period 1506.373011067764
4.12
1.9897e-05
5.448e-08
d
yr
n .2389846321959929 3.1566e-09 deg/d
Q 2.656621800553311 2.3393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      2000-01-05  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54812  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:31:20  

Additional Information
 Earth MOID = 1.48019 au 
 Jupiter MOID = 2.40496 au 
 T_jup = 3.396 
[ 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 16.1   n/a MPO352053  

172631 (2003 XX20)          Discovered 2003-Dec-14 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 XX20 = 2002 RW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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