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120927 (1998 SJ108)
Classification: Main-belt Asteroid          SPK-ID: 2120927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519268302893094 5.3481e-08  
a 3.176687871345973 2.6393e-08 au
q 2.694063752233886 1.8004e-07 au
i 6.59056438359076 5.4397e-06 deg
node 352.5358171364647 4.0194e-05 deg
peri 9.457503859606298 4.3079e-05 deg
M 345.6095681280825 1.5643e-05 deg
tp 2459283.166884630503
(2021-Mar-09.66688463)
9.0198e-05 TDB
period 2068.046235989418
5.66
2.5773e-05
7.056e-08
d
yr
n .1740773459195726 2.1695e-09 deg/d
Q 3.65931199045806 3.0403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:47  

Additional Information
 Earth MOID = 1.68985 au 
 Jupiter MOID = 1.79796 au 
 T_jup = 3.172 
[ 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 14.75   n/a E2021B55  

120927 (1998 SJ108)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1922-May-26 20:39 00:03 Jupiter 1.87631610700189 1.87631535891083 1.87631685509327 2.56907884359916 2.3869036769016 2423201.360644167 3.4105634991508 134.877236069522 33.6648965816159 -81.9486136803548 2520773.574405 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
1933-Apr-17 01:36 00:03 Jupiter 1.81894132824246 1.81894082535604 1.8189418311298 2.67353672128974 2.49328355491443 2427179.566693105 2.83544330886919 210.499318310794 19.0454340488127 -88.9584754646381 2628009.85714992 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
1944-Mar-05 14:17 00:02 Jupiter 1.88103434955812 1.88103357520904 1.8810351239071 2.91298282810604 2.75406548074864 2431155.095269321 2.432438944906 83.5326452848173 27.4749757732386 -84.9870890246901 2041817.98519719 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2041-Sep-16 05:04 00:01 Jupiter 1.94012882020579 1.94012823522945 1.94012940518225 2.51866651088229 2.33891425434777 2466778.711127432 1.02263518870573 68.1859773844207 10.5150077360839 75.9572866533934 2449681.51855625 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2052-Jul-29 07:09 00:01 Jupiter 1.84143559716724 1.84143503200558 1.84143616232891 2.53988421418782 2.35181907157971 2470747.798130830 1.46822798383378 114.052462985019 22.5686010660785 89.9971199652627 2313475.04621813 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2063-Jun-21 03:02 00:02 Jupiter 1.84533969097973 1.84533918150756 1.84534020045189 2.79469656435051 2.6253221368435 2474726.626433546 1.95863152540865 138.079355133664 19.0468147783491 -88.3232964016392 2642359.37898326 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2074-May-05 23:28 00:03 Jupiter 1.9540205757643 1.95401977609233 1.95402137543615 3.18968413826172 3.0507591479555 2478698.477509963 2.53395617978242 69.5557155891622 29.1624322158707 -77.2012342836991 2169821.94577302 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2171-Nov-22 22:01 00:06 Jupiter 1.88687771560448 1.8868764676592 1.88687896355007 2.3852565819385 2.18898279366442 2514327.417413549 5.96109743622545 112.746908774918 47.4464625838499 -71.1999815994387 2194720.69529462 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2182-Oct-09 07:10 00:06 Jupiter 1.84100417626432 1.84100365715242 1.84100469537748 2.60751532694974 2.42465703164142 2518300.798556637 6.24578288783597 425.381315404879 20.2520817361096 -86.6187058469328 2494389.02846113 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08
2193-Aug-31 12:56 00:07 Jupiter 1.8961446311672 1.89614331032323 1.89614595201321 2.99342574542782 2.84027853979428 2522280.038774588 6.82725977077983 163.461202474448 35.7925710438063 79.4786637943255 1942564.25999526 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:49 2021-Apr-13 17:08

Alternate Designations
 1998 SJ108 = 2004 SF48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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