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344381 (2001 XQ216)
Classification: Main-belt Asteroid          SPK-ID: 2344381
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .266603952876331 7.0554e-08  
a 3.129173982116463 3.4954e-08 au
q 2.294923829246445 2.2407e-07 au
i 22.40902591893923 8.8108e-06 deg
node 83.03306611262504 2.4488e-05 deg
peri 308.0296909410458 3.1992e-05 deg
M 150.7096803984722 2.1101e-05 deg
tp 2458154.088333441641
(2018-Feb-04.58833344)
0.0001113 TDB
period 2021.822348474028
5.54
3.3877e-05
9.275e-08
d
yr
n .1780571870083988 2.9835e-09 deg/d
Q 3.963424134986482 4.4273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:25:39  

Additional Information
 Earth MOID = 1.36687 au 
 Jupiter MOID = 1.68495 au 
 T_jup = 3.045 
[ 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 15.5   n/a MPO471578  

344381 (2001 XQ216)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 XQ216 = 2006 SZ281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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