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109980 (2001 SC55)
Classification: Main-belt Asteroid          SPK-ID: 2109980
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638771664446738 4.497e-08  
a 3.089086507391354 1.996e-08 au
q 2.582855763657585 1.43e-07 au
i 12.17054873331364 5.1524e-06 deg
node 171.332758968076 2.0633e-05 deg
peri 176.9666317585662 2.4589e-05 deg
M 214.9782689673645 1.3578e-05 deg
tp 2459999.366328891917
(2023-Feb-23.86632889)
7.7808e-05 TDB
period 1983.095059983601
5.43
1.9221e-05
5.262e-08
d
yr
n .1815344141914089 1.7595e-09 deg/d
Q 3.595317251125123 2.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      9032 days (24.73 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:08:39  

Additional Information
 Earth MOID = 1.57489 au 
 Jupiter MOID = 1.84715 au 
 T_jup = 3.170 
[ 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  
diameter diameter 5.207 km 1.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109980 (2001 SC55)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1933-Aug-10 09:45 00:02 Jupiter 1.89678848814155 1.89678769716675 1.89678927912315 3.47649006363542 3.34557482565133 2427294.906155689 2.32980041193041 221.830559253807 19.3889499140302 -81.9060618618797 2878734.71664522 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
1943-Jul-28 21:19 00:02 Jupiter 1.96380685377209 1.96380599873006 1.96380770881456 2.75213048900868 2.59067346602546 2430934.388401198 2.2766354934644 87.5281836773312 36.9297140270365 68.9851507958876 2864389.01254537 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
2003-Nov-19 09:16 < 00:01 Jupiter 1.85261814175717 1.85261771416965 1.8526185693447 3.22015137768253 3.07489332435106 2452962.885768241 0.419240103906326 71.0736789145649 19.0371676115481 -88.6330236204251 2770426.45759514 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
2064-Feb-17 17:49 00:01 Jupiter 1.89393226684456 1.89393169894961 1.89393283474096 3.45692797927608 3.32504013678974 2474968.242667917 1.36274438838791 132.709122527508 19.5450479967742 -82.4810676435969 2847274.28916942 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
2074-Feb-10 08:42 00:02 Jupiter 1.96749900082632 1.96749825022125 1.96749975143183 2.90341272538048 2.75114358466544 2478613.862752199 1.85546485091448 87.2717633344807 31.9350770496889 72.671356935993 2976705.85594277 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
2134-May-31 14:36 00:03 Jupiter 1.85200526224028 1.85200474873014 1.852005775756 3.28378146051297 3.14141880991103 2500638.108405579 3.39597883512498 289.226917893998 19.6508141197517 86.1434843184952 2739526.45340402 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
2194-Aug-29 11:07 00:05 Jupiter 1.89381254078589 1.89381117555887 1.89381390605048 3.43024496371653 3.29728142886231 2522642.962947849 5.02447647175983 457.695560259846 19.6653965396131 -82.0592964409384 2808559.75070463 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:41 2020-Nov-12 19:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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