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JPL Small-Body Database Browser
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382561 (2001 XL218)
Classification: Main-belt Asteroid          SPK-ID: 2382561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609007526606676 6.9864e-08  
a 2.447847777677389 2.3229e-08 au
q 2.053987227850354 1.6508e-07 au
i 1.671205526339841 7.2332e-06 deg
node 270.9890799057899 0.00032541 deg
peri 182.1195033021722 0.00032807 deg
M 270.9356142366675 4.5349e-05 deg
tp 2459346.580089185033
(2021-May-12.08008918)
0.00017938 TDB
period 1398.86253117691
3.83
1.9912e-05
5.452e-08
d
yr
n .2573519498710999 3.6633e-09 deg/d
Q 2.841708327504423 2.6967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      5999 days (16.42 yr)  
   first obs. used      2001-10-21  
   last obs. used      2018-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65135  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:39:06  

Additional Information
 Earth MOID = 1.07069 au 
 Jupiter MOID = 2.33558 au 
 T_jup = 3.479 
[ 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 17.3   n/a MPO391927  

382561 (2001 XL218)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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