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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 ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3074619602265378 5.0415e-08  
a 3.112074913047456 2.552e-08 au
q 2.155230259910053 1.6198e-07 au
i 12.35315846282758 7.5711e-06 deg
node 122.5564530871008 2.1446e-05 deg
peri 316.70779488 2.5606e-05 deg
M 310.7753218204084 1.2718e-05 deg
tp 2459670.691429392306
(2022-Apr-01.19142939)
7.1211e-05 TDB
period 2005.272928775683
5.49
2.4666e-05
6.753e-08
d
yr
n .1795266842902017 2.2083e-09 deg/d
Q 4.068919566184859 3.3367e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:32:08  

Additional Information
 Earth MOID = 1.18913 au 
 Jupiter MOID = 1.30279 au 
 T_jup = 3.110 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3107462306492469 4.7094e-08  
q 2.147136543874572 1.4626e-07 au
tp 2457637.665908523125
(2016-Sep-06.16590852)
5.9739e-05 TDB
node 123.7606976428981 2.1991e-05 deg
peri 312.98700322357 2.5233e-05 deg
i 12.1320772485093 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:32:08  

Additional Information
 Jupiter MOID = 1.30279 au 
 T_jup = 3.110 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.217844929170664E-15 -6.856600795678321E-15 1.285366043952223E-12 -2.489801806114298E-15 2.627152888761495E-13 1.474500203116473E-16
q -6.856600795678321E-15 2.139213234265296E-14 -3.640221718667602E-12 4.593835788780232E-15 -7.650703282770275E-13 7.884494870595038E-17
tp 1.285366043952223E-12 -3.640221718667602E-12 3.568760879877923E-9 -1.28901705716298E-11 7.461226432561652E-10 8.75926921174129E-14
node -2.489801806114298E-15 4.593835788780232E-15 -1.28901705716298E-11 4.836109175392249E-10 -4.749656617172538E-10 1.411182640032623E-11
peri 2.627152888761495E-13 -7.650703282770275E-13 7.461226432561652E-10 -4.749656617172538E-10 6.367090901840331E-10 -1.394122702799288E-11
i 1.474500203116473E-16 7.884494870595038E-17 8.75926921174129E-14 1.411182640032623E-11 -1.394122702799288E-11 5.633685387118336E-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 15.37   n/a E2021B55  

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

[ hide close-approach data ]
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 15:13 00:02 Jupiter 1.31453699996997 1.31453617395305 1.31453782599295 2.35334727570163 2.06144184843702 2432885.133732698 1.58897501291427 220.992153440675 54.616781910565 85.5828693751067 1179170.29706738 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2009-Nov-13 23:17 < 00:01 Jupiter 1.95859276138579 1.95859185512911 1.95859366764259 3.34036887197917 3.2082915258451 2455149.470437891 0.439103723513263 62.0506318064661 20.7719882270116 57.5508501566203 1637239.77880566 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2019-Nov-10 20:01 < 00:01 Jupiter 1.30647615857905 1.30647542125161 1.30647689590746 2.39270921054307 2.10437764932719 2458798.334214668 0.479522269434231 116.562341388956 46.4879364433718 79.3294176409279 1123921.02857187 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2080-Aug-28 06:38 00:02 Jupiter 1.73963572383692 1.73963309658682 1.73963835111925 2.84154758548908 2.66469505193013 2481004.776261100 2.45250123485545 413.110165413229 18.3024611992301 73.9588820507708 1425776.21500632 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2090-Sep-30 17:01 00:02 Jupiter 1.38616068638275 1.38615887771665 1.3861624950572 2.39909491218701 2.12921191476007 2484690.209307500 2.20577925203073 247.121932600312 64.1216900801088 -69.9123896008125 1044159.28601486 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2151-May-11 17:52 00:04 Jupiter 1.47963879738111 1.479634879894 1.47964271512417 2.67761376264365 2.45452867700977 2506827.244137572 4.07208023524643 1035.33934581665 29.4853666560206 79.7243485753289 1423265.24526243 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
2161-Jul-03 03:52 00:05 Jupiter 1.59851185695842 1.5985072473607 1.59851646657421 2.18648848844571 1.92898110309621 2510532.661407687 4.67522021501853 395.465443373239 101.434845348981 -33.7302025845773 848984.871830398 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:32:09 2021-Apr-14 02:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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