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255409 (2005 XA5)
Classification: Main-belt Asteroid          SPK-ID: 2255409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3077564624502315 5.0182e-08  
a 3.123151904859294 2.7477e-08 au
q 2.161981722925096 1.5973e-07 au
i 12.34169272750798 7.5803e-06 deg
node 122.5639603702405 2.2579e-05 deg
peri 316.0308336480879 2.6755e-05 deg
M 240.7212346195889 1.252e-05 deg
tp 2459668.457335241370
(2022-Mar-29.95733524)
7.1266e-05 TDB
period 2015.988679292486
5.52
2.6604e-05
7.284e-08
d
yr
n .1785724313324728 2.3565e-09 deg/d
Q 4.084322086793492 3.5933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      15575 days (42.64 yr)  
   first obs. used      1977-10-08  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:47:23  

Additional Information
 Earth MOID = 1.19626 au 
 Jupiter MOID = 1.29364 au 
 T_jup = 3.106 
[ 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 15.3   n/a MPO450122  

255409 (2005 XA5)          Discovered 2005-Dec-06 by Lowe, A. at Mayhill
Reference: 20101128/Numbers.arcLast Updated: 2010-12-06

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