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233891 (2008 XA54)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07648585654699168 4.7272e-08  
a 3.245894099971735 3.5355e-08 au
q 2.99762910947457 1.5072e-07 au
i 3.037501369931076 7.1075e-06 deg
node 169.7618975419788 0.00010961 deg
peri 138.5100221443228 0.00012054 deg
M 109.4827067334788 4.9372e-05 deg
tp 2458350.904553792680
(2018-Aug-20.40455379)
0.00029452 TDB
period 2135.993597636589
5.85
3.4898e-05
9.555e-08
d
yr
n .168539831017438 2.7536e-09 deg/d
Q 3.4941590904689 3.8059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1995-09-20  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:06  

Additional Information
 Earth MOID = 1.98387 au 
 Jupiter MOID = 1.70605 au 
 T_jup = 3.176 
[ 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 15.8   n/a MPO454692  

233891 (2008 XA54)          Discovered 2008-Dec-01 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ 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
2039-Sep-14 21:14 00:01 Jupiter 1.96829624378764 1.96829556516354 1.96829692241174 3.05915611247137 2.91509355547293 2466046.384392929 1.35902719222157 87.9380274136414 22.3150338994288 -85.257376791297 2215910.0788756 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2051-Apr-10 18:25 00:02 Jupiter 1.93126429475476 1.9312636093985 1.93126498011124 2.94242841014986 2.78939348615363 2470272.267654004 2.03450136328429 110.780849680088 20.4981163320635 -84.9383462185178 2287352.67735868 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2062-Nov-08 04:31 00:03 Jupiter 1.90728559254482 1.90728491069597 1.90728627439432 2.87388329240706 2.71496009930504 2474501.687993987 2.77113271605682 131.885169190768 19.2652097948918 -84.952872735733 2454532.08038768 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2074-Jun-09 00:30 00:04 Jupiter 1.88924995907789 1.88924930481071 1.88925061334614 2.83622344145052 2.67347852882222 2478732.520969228 3.58514204477691 148.16636781342 18.6064299872065 -85.1562164054302 2716673.4450894 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2086-Jan-03 20:33 00:05 Jupiter 1.87663804697902 1.87663746300316 1.87663863095584 2.83063284320594 2.66641711527735 2482959.356072167 4.49635499769073 154.497639045538 18.4650152958734 -85.5869753903611 3103665.45480786 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2097-Jul-24 20:47 00:06 Jupiter 1.87029736129797 1.87029687473626 1.87029784785991 2.86562140990999 2.7029657160785 2487179.365821995 5.52184897348295 144.713390214056 18.8348817500598 -86.2058164712848 3489066.76020485 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2109-Feb-01 08:22 00:07 Jupiter 1.8710614888429 1.87106106267959 1.87106191500631 2.95444807945422 2.79702895196954 2491387.848864750 6.66691964445795 111.608400044568 18.9975164785775 -88.1752843637541 2971023.38500321 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2120-Jul-28 17:31 00:08 Jupiter 1.88693652726391 1.88693599193548 1.88693706259235 3.12699358653134 2.9799854994747 2495583.229993098 7.90233426827557 70.7547650733254 16.1782766267119 83.7191429711583 1435520.94112266 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2132-Jan-07 21:13 00:09 Jupiter 1.91402976594272 1.91402894076944 1.91403059111675 3.3876282962576 3.25437524559546 2499763.383831390 9.18943154605526 124.782730723096 22.01501928649 -87.4384888133304 1614810.44459721 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14
2143-Jun-01 08:38 00:10 Jupiter 1.95375907082899 1.95375785243259 1.95376028923482 3.74258945410162 3.62490086139276 2503925.859845929 10.4396034991978 266.053033108049 25.5775351907387 -83.491828260374 2209878.11810145 T 13 CATAB v2.0f-lin.ifort 2020-May-21 11:14:28 2020-May-21 11:14

Alternate Designations
 2008 XA54 = 1995 SH75 = 2001 SF192 = 2005 EF216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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