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385190 (1996 XK2)
Classification: Main-belt Asteroid          SPK-ID: 2385190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023969565329688 5.3481e-08  
a 3.141083573244803 2.8792e-08 au
q 2.505337817804353 1.5943e-07 au
i 15.41479681615558 7.27e-06 deg
node 232.0573676198169 1.9716e-05 deg
peri 235.2770291258533 2.6634e-05 deg
M 116.0954013310585 1.7174e-05 deg
tp 2458740.762258260050
(2019-Sep-14.26225826)
9.4448e-05 TDB
period 2033.375864330885
5.57
2.7957e-05
7.654e-08
d
yr
n .1770454770881544 2.4342e-09 deg/d
Q 3.776829328685254 3.4619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:11:09  

Additional Information
 Earth MOID = 1.55727 au 
 Jupiter MOID = 1.67862 au 
 T_jup = 3.124 
[ 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 15.90   n/a E2021B25  

385190 (1996 XK2)          Discovered 1996-Dec-04 by Comba, P. G. at Prescott
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 1996 XK2 = 1996 VQ20 = 2007 TF44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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