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392551 (2011 SM44)
Classification: Main-belt Asteroid          SPK-ID: 2392551
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571431492244296 6.3014e-08  
a 3.191917419936911 5.4177e-08 au
q 2.690329464503709 1.9493e-07 au
i 9.210198117761616 9.6882e-06 deg
node 186.668349473931 4.4887e-05 deg
peri 278.9866506268163 5.6863e-05 deg
M 96.63423581238159 3.1578e-05 deg
tp 2458441.380790982708
(2018-Nov-18.88079098)
0.00018133 TDB
period 2082.935861748027
5.70
5.3031e-05
1.452e-07
d
yr
n .1728329741741943 4.4003e-09 deg/d
Q 3.693505375370113 6.2691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2002-01-18  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:24:28  

Additional Information
 Earth MOID = 1.72645 au 
 Jupiter MOID = 1.57011 au 
 T_jup = 3.157 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457850.5 (2017-Apr-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579349060069849 6.2978e-08  
q 2.689256153342764 1.9523e-07 au
tp 2458442.057493112275
(2018-Nov-19.55749311)
0.00018038 TDB
node 186.6800571349042 4.4881e-05 deg
peri 279.1422589520495 5.6738e-05 deg
i 9.21003652813884 9.6883e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2002-01-18  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:24:28  

Additional Information
 Jupiter MOID = 1.57011 au 
 T_jup = 3.157 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.966203787026993E-15 -1.197345803225468E-14 2.097678329961458E-13 -2.14703925823307E-14 -3.348258313306462E-14 -1.63231740666796E-14
q -1.197345803225468E-14 3.811433610364961E-14 -2.124679264872534E-13 6.873071068959118E-14 4.84927698793244E-14 5.182215010117828E-14
tp 2.097678329961458E-13 -2.124679264872534E-13 3.253568731719745E-8 -3.723973107415333E-11 6.285831144684067E-9 -2.521789509826459E-11
node -2.14703925823307E-14 6.873071068959118E-14 -3.723973107415333E-11 2.014340176009312E-9 -1.99432057131937E-9 4.114075471881239E-11
peri -3.348258313306462E-14 4.84927698793244E-14 6.285831144684067E-9 -1.99432057131937E-9 3.219184770143263E-9 -4.494295981757127E-11
i -1.63231740666796E-14 5.182215010117828E-14 -2.521789509826459E-11 4.114075471881239E-11 -4.494295981757127E-11 9.386233161020879E-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 16.5   n/a MPO472030  

392551 (2011 SM44)          Discovered 2002-Jan-18 by ADAS at Cima Ekar
Reference: Last Updated: 2014-04-17

[ 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
1901-Sep-30 19:04 00:10 Jupiter 1.69188677544157 1.69188440212234 1.69188914875108 1.45794671794302 1.06034568980174 2415658.294577549 9.61587136609964 303.088953150386 142.302192413433 -18.0624629113704 644919.090300565 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
1912-Nov-01 16:18 00:08 Jupiter 1.81720779194339 1.81720498570918 1.81721059817026 2.12353778084291 1.89134569376793 2419708.178973438 8.02947225586614 233.884336089375 58.3299546681384 -64.8681183360653 431675.851864903 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
1923-Dec-05 19:28 00:07 Jupiter 1.98858577644951 1.98858297275877 1.98858858015675 3.17384027062056 3.03667215033159 2423759.311010150 6.57893631155555 366.340818395809 45.8117428256105 77.8258968828501 952233.85355499 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2023-Jul-27 04:10 < 00:01 Jupiter 1.97577456809646 1.97577350523998 1.97577563095293 4.48624168209726 4.38964194145036 2460152.673584030 0.672434666938931 74.4705642951155 44.0206799398446 70.9258616482128 1645091.11412859 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2034-Aug-16 04:00 00:02 Jupiter 1.73079685499052 1.73079562281122 1.73079808717109 3.58346262388553 3.44418908085959 2464190.666467478 1.57200052348063 148.669139251113 41.1195345426943 77.5568476723434 1238059.18441439 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2045-Sep-26 06:45 00:03 Jupiter 1.59942571782459 1.59942470418385 1.59942673146578 2.77280803494033 2.57474388901765 2468249.781045947 2.68957479798861 246.638206563009 40.457588070042 -88.5857946800682 959109.7348978 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2056-Nov-19 11:20 00:04 Jupiter 1.59621979384768 1.5962185083362 1.59622107936596 2.03541853053969 1.75546091548785 2472321.972545988 4.26407939831382 285.155404531522 116.411817722736 -59.8282303790128 726268.790273126 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2068-Jan-01 05:33 00:06 Jupiter 1.69066915795892 1.69066667765015 1.69067163826952 1.55952100907366 1.19587165280683 2476381.730932499 6.35163764230944 266.537332498584 143.615959140164 48.7061618226437 1287312.53663609 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2079-Jan-25 15:59 00:08 Jupiter 1.850537244942 1.85053368173808 1.85054080813456 2.07696872082299 1.84346545796641 2480424.165965823 8.11392656867762 210.82193415023 31.8890192416004 -64.8840915964169 470905.974221756 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2189-Sep-26 03:19 00:17 Jupiter 1.93477669112074 1.93476529638332 1.9347880860317 4.15852496346734 4.05188269292738 2520844.638165193 17.3516576666395 1090.10671747302 46.95994717486 61.1711203097634 1399908.26253718 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
2200-Oct-18 12:30 00:17 Jupiter 1.67569325011673 1.6756848484658 1.67570165219116 3.41206961154151 3.26056241762998 2524884.020974993 16.8926567273014 1433.58624275097 41.3586711680886 75.8598607298121 1155333.96919207 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 16:24:29 2020-Nov-12 16:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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