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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024358768248805 5.4731e-08  
a 3.141624607275892 2.8962e-08 au
q 2.505647075247376 1.6409e-07 au
i 15.4135353847483 7.4205e-06 deg
node 232.0578733379519 2.3872e-05 deg
peri 235.328795320963 3.2104e-05 deg
M 81.33363983283844 1.9073e-05 deg
tp 2458740.987246718933
(2019-Sep-14.48724672)
0.00010652 TDB
period 2033.901243337619
5.57
2.8125e-05
7.7e-08
d
yr
n .1769997442989131 2.4475e-09 deg/d
Q 3.777602139304408 3.4824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:44  

Additional Information
 Earth MOID = 1.55727 au 
 Jupiter MOID = 1.67745 au 
 T_jup = 3.123 
[ 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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