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190983 (2001 XA172)
Classification: Main-belt Asteroid          SPK-ID: 2190983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191562863963231 4.0749e-08  
a 2.452442639651881 1.0546e-08 au
q 1.914974418145779 9.7992e-08 au
i 2.494774681732998 4.2778e-06 deg
node 173.3151847172554 8.2991e-05 deg
peri 219.1425338000718 8.3546e-05 deg
M 20.43747590835343 7.4945e-06 deg
tp 2459120.861793333305
(2020-Sep-28.36179333)
2.923e-05 TDB
period 1402.803092151509
3.84
9.0485e-06
2.477e-08
d
yr
n .2566290322670022 1.6553e-09 deg/d
Q 2.989910861157984 1.2857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9960 days (27.27 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:53  

Additional Information
 Earth MOID = .920527 au 
 Jupiter MOID = 2.4497 au 
 T_jup = 3.460 
[ 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 17.02   n/a E2021B55  

190983 (2001 XA172)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 XA172 = 1993 TU19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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