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312473 (2008 SX245)
Classification: Amor [NEO]          SPK-ID: 2312473
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 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4583107984342076 3.8411e-08  
a 1.992768411866915 2.1108e-08 au
q 1.079461129929721 7.3783e-08 au
i 11.82439980156655 7.3192e-06 deg
node 209.0202662451917 1.6032e-05 deg
peri 292.8868679644602 1.94e-05 deg
M 344.847708933183 2.0749e-05 deg
tp 2459043.747347508299
(2020-Jul-13.24734751)
5.9883e-05 TDB
period 1027.504357877817
2.81
1.6326e-05
4.47e-08
d
yr
n .3503634775267869 5.5668e-09 deg/d
Q 2.906075693804109 3.0783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-06-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-27 06:23:26  

Additional Information
 Earth MOID = .186553 au 
 Jupiter MOID = 2.25526 au 
 T_jup = 3.688 
[ 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 18.4   n/a MPO345861  

312473 (2008 SX245)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1904-Dec-30 04:55 00:19 Earth 0.456124950746735 0.456108319757369 0.456152978180346 2.47925286549069 2.47689556895417 2416844.704607165 18.8284239898347 113762.332417843 12.9097310021702 -89.451945214045 1301526.25683171 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1905-Mar-24 15:58 00:02 Earth 0.374781444943698 0.374755554787037 0.374807335489708 15.214416384406 15.2139490953099 2416929.165278730 1.89002325814547 1424.69073530783 17.5840161550716 25.0229620623401 1103865.4088698 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1922-Jan-10 00:19 00:03 Earth 0.449630600856266 0.449610107069455 0.449651094922329 14.412298881252 14.4118877036671 2423064.513280743 2.67343341456403 1164.80704915618 22.8975851878689 28.6881499683612 1126701.77179786 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1922-Mar-28 12:58 00:04 Earth 0.452338025759945 0.4523186178688 0.452357446797808 5.65197276198878 5.65093047037202 2423142.040440932 3.97444174703468 3966.80086828061 22.8288958532959 -75.8792740183197 2453021.37978797 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1936-Mar-12 20:48 00:01 Earth 0.192734587915821 0.192731050689591 0.192738126008264 8.40784975188108 8.406205341436 2428240.366833902 1.02381169997019 670.722737277906 16.1870467943024 74.8269430078952 1178909.99861385 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1944-Nov-03 15:50 00:01 Mars 0.0987593548280528 0.0987577737431257 0.0987609374883581 14.3660281630073 14.3658263754983 2431398.159765501 1.28143873953672 637.770651900014 14.5609467171579 -83.0163082264517 1001321.12397202 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1950-Mar-31 21:48 00:01 Earth 0.482519635632875 0.482505171859428 0.482534099450426 18.6836079300963 18.683312373909 2433372.408499317 1.0208692063749 757.062824228057 17.7493959369024 17.7026780438393 1054720.71954846 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1967-Jan-21 22:40 00:03 Earth 0.365668881768269 0.36565899528916 0.365678768353594 10.7764105312474 10.7757343488656 2439512.444290624 2.65441201284157 582.93948678642 21.5939427638454 32.2950587553287 952499.288322967 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1967-Mar-14 20:59 00:03 Earth 0.367375630960394 0.367365081912069 0.36738618014544 5.63610247674223 5.6348154940144 2439564.374201246 2.52279887209257 636.37979416759 84.815469295425 -34.5957152651199 416883.023695735 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
1981-Mar-19 10:31 < 00:01 Earth 0.263586204757223 0.263579812922606 0.263592596688571 11.7499562329328 11.7490958944866 2444682.937941706 0.530116239838136 406.430442144249 17.140950592196 38.3984126980294 1120330.3968381 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2012-Mar-06 14:11 < 00:01 Earth 0.251172232328687 0.251171745937682 0.251172718719834 5.80648538848694 5.80465814790065 2455993.090789113 0.194839226912641 30.9837566107174 21.205492384242 -58.596129018283 1891229.86568796 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2026-Mar-24 21:00 < 00:01 Earth 0.355908717403335 0.355904856920643 0.355912577897093 14.6933259432839 14.6928164233862 2461124.375224178 0.333438396247829 216.635446609207 17.1991921416404 27.3989465139955 1167155.05008114 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2043-Jan-13 07:05 00:01 Earth 0.462727843181861 0.462719540305131 0.462736146098625 14.4901335486357 14.4897361555639 2467262.795309334 1.20134972340897 466.503219265163 23.0010426755019 27.4800683193617 1120368.22087554 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2043-Mar-30 08:40 00:02 Earth 0.461274456174277 0.461266767211073 0.461282147747515 5.81488515714996 5.81389170052581 2467338.860934514 1.61911673121605 1775.14115153747 21.9262250104369 -77.5449174359546 2402483.06211729 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2057-Mar-12 08:46 < 00:01 Earth 0.183853072407041 0.183851416493336 0.18385472866626 7.53907332747355 7.53715077201603 2472434.865024705 0.756487273466556 411.720712333777 14.0196601796769 -78.5729887082439 1219893.85737299 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2071-Mar-29 17:45 00:01 Earth 0.44292768322736 0.442909262364614 0.442946104190614 17.2455113204322 17.2451624952348 2477565.239689369 1.3413614646809 976.999380032133 17.7359961012698 19.9227814017392 1065026.6756669 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2088-Feb-03 04:16 00:19 Earth 0.367403366083042 0.367379841761231 0.36742689077006 9.58835102013284 9.58759463596264 2483719.677890305 19.1627910557211 1307.61252767953 18.3502592131789 26.2830663747688 467896.598896628 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2088-Mar-15 01:11 00:05 Earth 0.364830713810114 0.364806688172203 0.364854739900138 5.86237857766398 5.86113264877488 2483760.549523017 5.47421426526067 1359.27763442378 83.78401372714 -28.241257548261 346162.778824383 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2102-Mar-19 21:15 00:02 Earth 0.229696536922699 0.229676490911133 0.229716584861217 10.7133920446694 10.7123092331699 2488877.385203033 1.95777761209223 1449.259114959 16.7605713202359 46.4008841202219 1138769.4638988 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2133-Mar-09 17:35 < 00:01 Earth 0.265599532773887 0.265569397497224 0.265629668843913 5.94557421997921 5.94388668461574 2500190.232771079 0.220757013946832 1668.12541028453 34.6627947951662 25.7278623422638 454049.141820762 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2147-Mar-27 02:44 00:03 Earth 0.351263578894872 0.351226608045977 0.351300550605105 14.6179919469246 14.6174730283397 2505320.613711891 2.6714656966147 2037.48112268449 17.372351128531 25.2044993728744 1050738.9206637 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2178-Mar-12 03:04 00:01 Earth 0.207159965695391 0.207142129478418 0.207177802211443 6.56483784550022 6.56287833613628 2516628.627846819 1.45732823409519 972.217831297547 10.5495455117409 -23.7659673102241 2148226.771962 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2191-Dec-29 22:45 00:13 Earth 0.487443676472116 0.487416596454388 0.487470953415811 2.60505491543874 2.60295575300123 2521669.447977014 13.367170757265 15515.4280352449 7.76019717109125 -85.0792178944269 604840.637030491 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
2192-Mar-29 04:00 00:02 Earth 0.404701437944338 0.404667300889576 0.404735575427493 16.1693775584013 16.1689703752722 2521759.666332707 2.44641717010285 1824.54551168987 17.610300798664 21.1002140736465 1026653.55439812 T 82 CATAB v2.0f-lin.ifort 2019-Oct-27 06:23:28 2019-Oct-27 06:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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