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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .307756463245033 5.0056e-08  
a 3.123151906872544 2.602e-08 au
q 2.161981721836469 1.5966e-07 au
i 12.34169304130264 7.5629e-06 deg
node 122.5639650006863 2.1444e-05 deg
peri 316.0308278870248 2.5513e-05 deg
M 240.7212353144207 1.2437e-05 deg
tp 2459668.457331996203
(2022-Mar-29.95733200)
7.1047e-05 TDB
period 2015.98868124181
5.52
2.5193e-05
6.897e-08
d
yr
n .1785724311598054 2.2316e-09 deg/d
Q 4.084322091908619 3.4027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      15626 days (42.78 yr)  
   first obs. used      1977-10-08  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:37:24  

Additional Information
 Earth MOID = 1.19626 au 
 Jupiter MOID = 1.29364 au 
 T_jup = 3.106 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3107462308214407 4.7094e-08  
q 2.147136543964094 1.4626e-07 au
tp 2457637.665908835301
(2016-Sep-06.16590884)
5.9739e-05 TDB
node 123.7606976891566 2.1991e-05 deg
peri 312.9870032656858 2.5233e-05 deg
i 12.13207724956091 7.5058e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      15626 days (42.78 yr)  
   first obs. used      1977-10-08  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:37:24  

Additional Information
 Jupiter MOID = 1.29364 au 
 T_jup = 3.106 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.217844654344201E-15 -6.856599852297332E-15 1.285365549591017E-12 -2.489802406951194E-15 2.627151766241088E-13 1.474482285882099E-16
q -6.856599852297332E-15 2.139212938770239E-14 -3.640219821037104E-12 4.593838121605438E-15 -7.650698827899553E-13 7.885093051030281E-17
tp 1.285365549591017E-12 -3.640219821037104E-12 3.568759945529388E-9 -1.289016970587898E-11 7.46122439510204E-10 8.759141654499646E-14
node -2.489802406951194E-15 4.593838121605438E-15 -1.289016970587898E-11 4.836109225945874E-10 -4.749656661070305E-10 1.411182536740269E-11
peri 2.627151766241088E-13 -7.650698827899553E-13 7.46122439510204E-10 -4.749656661070305E-10 6.367090558037485E-10 -1.394122616258292E-11
i 1.474482285882099E-16 7.885093051030281E-17 8.759141654499646E-14 1.411182536740269E-11 -1.394122616258292E-11 5.633685255261685E-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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