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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638771631553338 4.3205e-08  
a 3.089086513911419 1.9666e-08 au
q 2.582855779270216 1.3693e-07 au
i 12.17054900625422 4.9854e-06 deg
node 171.332758255592 2.0535e-05 deg
peri 176.9666318172995 2.445e-05 deg
M 214.9782685703728 1.3566e-05 deg
tp 2459999.366333608008
(2023-Feb-23.86633361)
7.778e-05 TDB
period 1983.095066262113
5.43
1.8937e-05
5.185e-08
d
yr
n .181534413616668 1.7335e-09 deg/d
Q 3.595317248552622 2.2889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      9295 days (25.45 yr)  
   first obs. used      1995-08-29  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:15  

Additional Information
 Earth MOID = 1.57489 au 
 Jupiter MOID = 1.84715 au 
 T_jup = 3.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457006.5 (2014-Dec-15.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614072896967921 4.313e-08  
q 2.593479013578018 1.3655e-07 au
tp 2456030.195846296514
(2012-Apr-12.69584630)
7.1727e-05 TDB
node 171.3531750298696 2.0546e-05 deg
peri 176.988639449647 2.4593e-05 deg
i 12.16077997051773 4.9815e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      9295 days (25.45 yr)  
   first obs. used      1995-08-29  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:15  

Additional Information
 Jupiter MOID = 1.84715 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.860233489962491E-15 -5.847780014925208E-15 4.705039148234172E-13 1.011405314818795E-14 7.173716705531372E-14 3.625508972748333E-16
q -5.847780014925208E-15 1.86469540013884E-14 -1.546822947883288E-12 -2.77337398014227E-14 -2.167006032969434E-13 5.911014465325241E-16
tp 4.705039148234172E-13 -1.546822947883288E-12 5.144699101320906E-9 -1.232178148892986E-11 9.905175195370216E-10 -2.424147685690768E-12
node 1.011405314818795E-14 -2.77337398014227E-14 -1.232178148892986E-11 4.221317096792457E-10 -4.136495551070413E-10 1.316120186802827E-11
peri 7.173716705531372E-14 -2.167006032969434E-13 9.905175195370216E-10 -4.136495551070413E-10 6.048179551963958E-10 -1.305101702249862E-11
i 3.625508972748333E-16 5.911014465325241E-16 -2.424147685690768E-12 1.316120186802827E-11 -1.305101702249862E-11 2.481493657350669E-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 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 1.89678852008496 1.89678773060043 1.8967893095764 3.47649061684073 3.34557540348926 2427294.906183869 2.31131004410059 220.354174535683 18.684549107632 -81.7732114064638 2980212.44992906 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
1943-Jul-28 21:19 00:02 Jupiter 1.96380685615109 1.96380601162166 1.96380770068097 2.75213100312195 2.59067401330092 2430934.388453871 2.26149573142871 85.8836128912516 36.5577984138949 68.5642191500793 2896012.2360172 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
2003-Nov-19 09:15 < 00:01 Jupiter 1.85261814835499 1.85261773104637 1.85261856566361 3.22015200408902 3.07489398169994 2452962.885762289 0.418811019058048 69.7015866026685 18.725537631058 -88.9874478877376 2854536.38245375 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
2064-Feb-17 17:49 00:01 Jupiter 1.89393226385698 1.89393172504547 1.89393280266979 3.45692851055454 3.32504068967225 2474968.242612111 1.33977461402625 130.434889040556 18.8306391406732 -82.8648622201664 2948383.31744515 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
2074-Feb-10 08:42 00:02 Jupiter 1.96749909978392 1.96749835935038 1.9674998402179 2.90341315507949 2.7511440468822 2478613.862673429 1.8234153946379 84.7585069997163 31.6825567002554 72.5400410595662 3031212.97909065 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
2134-May-31 14:35 00:03 Jupiter 1.85200536428119 1.85200485334846 1.85200587521972 3.28378155926677 3.14141892196599 2500638.107833214 3.35005379841863 284.4025015206 19.221421782918 86.0133507393454 2831020.49755435 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
2194-Aug-29 11:05 00:05 Jupiter 1.89381214225647 1.89381081461406 1.8938134699356 3.43024538382377 3.29728183811511 2522642.961900522 4.96229612672401 451.891512789277 18.9211316013886 -82.1542138528343 2907103.33679562 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 16:18:17 2021-Apr-13 16:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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