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190644 (2000 XS9)
Classification: Main-belt Asteroid          SPK-ID: 2190644
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2920485221107513 7.3588e-08  
a 2.57928310776135 2.1846e-08 au
q 1.826007288034422 2.0305e-07 au
i 11.57544039780513 7.1956e-06 deg
node .8114892491363571 1.8083e-05 deg
peri 53.77926822061148 2.8257e-05 deg
M 330.1387183063786 2.5884e-05 deg
tp 2459326.002648618619
(2021-Apr-21.50264862)
0.00011022 TDB
period 1513.02793919773
4.14
1.9222e-05
5.263e-08
d
yr
n .2379334780763447 3.0228e-09 deg/d
Q 3.332558927488278 2.8226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      10216 days (27.97 yr)  
   first obs. used      1993-02-22  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Earth MOID = .861163 au 
 Jupiter MOID = 2.19502 au 
 T_jup = 3.337 
[ 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 15.27   n/a E2021B55  

190644 (2000 XS9)          Discovered 2000-Dec-01 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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