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JPL Small-Body Database Browser
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172358 (2002 XS12)
Classification: Main-belt Asteroid          SPK-ID: 2172358
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08089216051971135 4.6321e-08  
a 2.963631791331536 2.7619e-08 au
q 2.723897212745826 1.3708e-07 au
i 9.971385933780018 5.5204e-06 deg
node 256.8496563994942 2.8708e-05 deg
peri 200.4078362701607 4.4307e-05 deg
M 133.2006808068651 3.3056e-05 deg
tp 2458310.992907236100
(2018-Jul-11.49290724)
0.00017087 TDB
period 1863.523158375709
5.10
2.605e-05
7.132e-08
d
yr
n .1931824664383482 2.7005e-09 deg/d
Q 3.203366369917246 2.9854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6402 days (17.53 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:02:03  

Additional Information
 Earth MOID = 1.74294 au 
 Jupiter MOID = 2.00475 au 
 T_jup = 3.237 
[ 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 15.3   n/a MPO436857  

172358 (2002 XS12)          Discovered 2002-Dec-03 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 XS12 = 2004 EH55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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