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85754 (1998 SJ156)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085754
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 .1540754748179836 6.0807e-08  
a 3.24578001236309 2.8703e-08 au
q 2.745684915803526 2.0309e-07 au
i 3.290385047452324 7.5628e-06 deg
node 14.06640805736013 8.6523e-05 deg
peri 33.01569460585733 8.9249e-05 deg
M 239.6074324275725 2.528e-05 deg
tp 2459714.789432433674
(2022-May-15.28943243)
0.00015685 TDB
period 2135.880983860787
5.85
2.8332e-05
7.757e-08
d
yr
n .1685487172367017 2.2358e-09 deg/d
Q 3.745875108922653 3.3125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      13724 days (37.57 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:11  

Additional Information
 Earth MOID = 1.75614 au 
 Jupiter MOID = 1.66177 au 
 T_jup = 3.161 
[ 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 14.5   n/a MPO348041  

85754 (1998 SJ156)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
2009-Jun-25 17:47 < 00:01 Jupiter 1.90393601692854 1.90393522732915 1.90393680652781 3.44372438822843 3.31202026393214 2455008.241115570 0.394703008521586 61.7078067109406 29.7851401183838 84.8087052750132 1888050.07920093 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2020-Nov-16 04:50 < 00:01 Jupiter 1.81608518110912 1.81608450379833 1.81608585841982 2.86574065659782 2.69808618919263 2459169.701056756 0.489884900185929 69.968561016902 20.8611375457468 85.9652329275985 2049601.35845165 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2032-May-09 07:14 < 00:01 Jupiter 1.75647866884798 1.75647808679128 1.75647925090448 2.47739969208667 2.2744348766891 2463361.801251744 0.94737752646795 76.4989784862689 14.3738490096058 84.8712477935687 2212965.11997871 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2043-Nov-29 19:11 00:02 Jupiter 1.723981160663 1.72398064203185 1.72398167929405 2.24701225806046 2.01653877265518 2467583.299624593 1.5125747393253 80.1628973420883 15.9880113750562 83.7232286851399 2263671.6065212 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2055-Jul-17 01:12 00:02 Jupiter 1.70474224915397 1.70474176502087 1.70474273328707 2.11351284763676 1.863655422447 2471830.549875765 2.16248285586052 81.7390706166916 23.4335636957373 83.0925052639065 2270905.4086616 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2067-Mar-21 18:11 00:03 Jupiter 1.693219247195 1.69321875558984 1.69321973880025 2.03422034585006 1.77131722586489 2476096.257945511 2.9300171690732 82.193502243074 31.7463027536782 83.1796009417718 2363241.83144644 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2078-Dec-07 23:17 00:04 Jupiter 1.69223870117249 1.69223812034132 1.69223928200367 2.00041010352936 1.73221625719906 2480375.469856448 3.85852041000779 81.7113318998688 37.8312725519303 83.3472166821887 2544998.86314271 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2090-Aug-31 05:15 00:05 Jupiter 1.69911207785097 1.69911128051653 1.69911287518532 1.99545904296547 1.72766865028975 2484659.718893535 4.99734600794218 80.3230958965062 41.0329358035934 81.8270416186256 2583705.59013626 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2102-May-23 21:41 00:06 Jupiter 1.71693133459003 1.71693015090542 1.71693251827416 2.02195173810578 1.76114127856874 2488942.403502324 6.38244024692237 79.2468272732581 40.0019080682628 75.634355555974 1930790.55646493 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2114-Feb-05 05:15 00:08 Jupiter 1.74217595734729 1.74217414031466 1.74217777437872 2.07514189092533 1.82588082037488 2493217.718438449 8.04647722630624 87.6319674793392 33.0589186043473 67.3180591130008 1179337.90285281 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2125-Oct-06 19:54 00:10 Jupiter 1.77934606096741 1.77934331548798 1.77934880644462 2.1712433287366 1.93964871337119 2497479.329318317 9.97881723180593 127.25026509796 22.8792638119364 65.790885476517 973561.561353058 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2137-May-22 16:16 00:12 Jupiter 1.83179572340411 1.8317918924302 1.8317995543776 2.32836021491143 2.12048605304573 2501725.177475268 12.1047921129327 214.664953164646 18.3872052898154 67.1215492389136 1104259.15972736 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2148-Dec-15 13:39 00:14 Jupiter 1.90285945662924 1.90285450871021 1.90286440455812 2.57374934130211 2.39456109733282 2505950.068926608 14.2927448220324 351.841002352109 20.5630620563081 67.483011957519 1330363.80651828 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38
2160-Jun-18 14:28 00:16 Jupiter 1.9951405501231 1.9951346792721 1.99514642100768 2.92983086380808 2.78115503529611 2510153.102952517 16.3658087499771 521.67599633733 26.0515808127613 67.9542623241735 1552308.49836941 T 13 CATAB v2.0f-lin.ifort 2020-Feb-23 20:38:28 2020-Feb-23 20:38

Alternate Designations
 1998 SJ156 = 1981 UU4 = 2000 CB15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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