Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
385190 (1996 XK2)
Classification: Main-belt Asteroid          SPK-ID: 2385190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458117.5 (2017-Dec-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028678260784185 5.3392e-08  
q 2.504792162910604 1.5933e-07 au
tp 2458741.774777653143
(2019-Sep-15.27477765)
9.4288e-05 TDB
node 232.0700467678452 1.9718e-05 deg
peri 235.5569132044163 2.6612e-05 deg
i 15.41318391401159 7.2694e-06 deg
  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
 Jupiter MOID = 1.67862 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.850734024932329E-15 -8.435245202866201E-15 -5.883493656257065E-13 3.989429780322638E-15 -2.302211881079287E-13 -1.098932960072036E-14
q -8.435245202866201E-15 2.538691925413186E-14 2.357521457875889E-12 -9.73698933088121E-15 7.608040701553891E-13 3.239349012288872E-14
tp -5.883493656257065E-13 2.357521457875889E-12 8.890283429502872E-9 1.20578517928247E-11 1.690414786199832E-9 -1.487866387081558E-11
node 3.989429780322638E-15 -9.73698933088121E-15 1.20578517928247E-11 3.888105738696966E-10 -3.720859234847791E-10 -1.789945675761245E-11
peri -2.302211881079287E-13 7.608040701553891E-13 1.690414786199832E-9 -3.720859234847791E-10 7.082183830066986E-10 1.477597897108034E-11
i -1.098932960072036E-14 3.239349012288872E-14 -1.487866387081558E-11 -1.789945675761245E-11 1.477597897108034E-11 5.284451625131921E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 02:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin