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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456997.5 (2014-Dec-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3108416959591356 4.757e-08  
q 2.146876330535353 1.4752e-07 au
tp 2457637.574205135085
(2016-Sep-06.07420513)
6.0451e-05 TDB
node 123.7608392161051 2.3149e-05 deg
peri 312.9811427880308 2.6466e-05 deg
i 12.13234505170308 7.5236e-06 deg
  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
 Jupiter MOID = 1.29364 au 
 T_jup = 3.106 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.262882736407768E-15 -6.985462436341413E-15 1.222258002821031E-12 -6.684536577492045E-15 2.428599733102948E-13 -8.030748234259334E-16
q -6.985462436341413E-15 2.176105252217658E-14 -3.459130309180899E-12 1.685409307522373E-14 -7.083572463555054E-13 2.825117746393051E-15
tp 1.222258002821031E-12 -3.459130309180899E-12 3.654316613406088E-9 -1.670938817586485E-11 7.827943025721667E-10 7.199402763496836E-13
node -6.684536577492045E-15 1.685409307522373E-14 -1.670938817586485E-11 5.358796922319596E-10 -5.266666652535835E-10 1.770309624635033E-11
peri 2.428599733102948E-13 -7.083572463555054E-13 7.827943025721667E-10 -5.266666652535835E-10 7.004460389726438E-10 -1.715126907718616E-11
i -8.030748234259334E-16 2.825117746393051E-15 7.199402763496836E-13 1.770309624635033E-11 -1.715126907718616E-11 5.66051906432371E-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 15.3   n/a MPO450122  

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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