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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-Nov-29 15:12 00:02 Jupiter 1.31453688843154 1.31453605237665 1.31453772449241 2.35334659907001 2.06144104774405 2432885.133668729 1.61545942935013 222.059118051834 54.9652178603172 85.6670344630838 1177227.18089029 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2009-Nov-13 23:17 < 00:01 Jupiter 1.95859276655381 1.95859181085565 1.95859372225208 3.34036816523874 3.20829078962095 2455149.470444467 0.461351462167089 65.4893021397386 21.5521466562443 57.2474446582327 1582028.42655395 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2019-Nov-10 20:01 < 00:01 Jupiter 1.30647602461915 1.30647526967801 1.30647677956118 2.39270862142463 2.1043769461991 2458798.334181357 0.502454733543878 120.131982229036 47.3501772098376 80.2101585517771 1119294.0532216 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2080-Aug-28 06:38 00:03 Jupiter 1.73963587729769 1.73963308024797 1.73963867438352 2.84154690062879 2.66469433672571 2481004.776339782 2.58620241820228 437.090116221895 18.5127259456803 73.8326338287557 1403081.5738784 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2090-Sep-30 17:01 00:02 Jupiter 1.38616042816944 1.38615850921487 1.38616234713362 2.39909443609246 2.12921132327406 2484690.209344419 2.31334505574342 259.283832342723 65.2422063678017 -69.3619624504014 1041906.13007869 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2151-May-11 17:52 00:04 Jupiter 1.4796392234445 1.47963511221195 1.47964333495663 2.67761309147433 2.45452801070812 2506827.244425181 4.24901007435394 1082.14797661796 29.827164141232 79.6738617926655 1416109.91623486 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
2161-Jul-03 03:53 00:05 Jupiter 1.59851106485564 1.59850622304822 1.59851590668277 2.1864893326494 1.92898192236008 2510532.661788625 4.87986614041865 413.254847261241 102.726010458973 -33.2247958437398 846859.876010485 T 13 CATAB v2.0f-lin.ifort 2020-Jun-24 04:47:41 2020-Jun-24 04:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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