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JPL Small-Body Database Browser
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136868 (1998 FC49)
Classification: Main-belt Asteroid          SPK-ID: 2136868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544536752341092 6.7191e-08  
a 2.740268413793409 1.646e-08 au
q 2.317023886155074 1.8631e-07 au
i 8.116582472326066 7.3731e-06 deg
node 353.270764911935 2.9116e-05 deg
peri 213.4148301384867 3.457e-05 deg
M 216.7027927519932 2.0241e-05 deg
tp 2459260.012922692522
(2021-Feb-14.51292269)
9.5669e-05 TDB
period 1656.868662893012
4.54
1.4928e-05
4.087e-08
d
yr
n .2172773304622795 1.9577e-09 deg/d
Q 3.163512941431744 1.9002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7899 days (21.63 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:23:46  

Additional Information
 Earth MOID = 1.31874 au 
 Jupiter MOID = 1.82827 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456676.5 (2014-Jan-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552782259656401 6.6813e-08  
q 2.313426243320582 1.8516e-07 au
tp 2455949.202753595096
(2012-Jan-22.70275360)
8.6902e-05 TDB
node 353.2884754153662 2.9113e-05 deg
peri 213.7045662009557 3.4613e-05 deg
i 8.119605998348934 7.3745e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7899 days (21.63 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:23:46  

Additional Information
 Jupiter MOID = 1.82827 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.46399184422913E-15 -1.233714039917121E-14 -3.461045365668553E-12 -2.362098897927927E-14 -6.177294651436112E-13 -1.275751295592094E-15
q -1.233714039917121E-14 3.428560506362151E-14 9.646599790279066E-12 6.587687455473317E-14 1.741894736826249E-12 4.139498583502477E-15
tp -3.461045365668553E-12 9.646599790279066E-12 7.551889630864502E-9 2.189972565033142E-11 1.622436778165592E-9 4.52360665078525E-12
node -2.362098897927927E-14 6.587687455473317E-14 2.189972565033142E-11 8.475872524616698E-10 -8.341673695960134E-10 -1.5432189664558E-11
peri -6.177294651436112E-13 1.741894736826249E-12 1.622436778165592E-9 -8.341673695960134E-10 1.198083772538134E-9 1.63842028609634E-11
i -1.275751295592094E-15 4.139498583502477E-15 4.52360665078525E-12 -1.5432189664558E-11 1.63842028609634E-11 5.4383772017746E-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 15.2   n/a MPO417724  

136868 (1998 FC49)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1927-Oct-03 00:47 00:02 Jupiter 1.85738301623933 1.85738210263326 1.85738392985259 2.93022311053508 2.7702251402971 2425156.532443253 2.19462246599134 357.191200559527 32.2694241734152 -89.065857068402 1918819.80244589 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
1964-Aug-23 00:22 00:01 Jupiter 1.9177106475478 1.91770984840522 1.91771144669113 2.21912532560552 2.01026087539848 2438630.515407599 1.35109194259654 99.5753372417723 31.266713203888 -75.2681276176389 1804056.48446575 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
2023-Apr-23 17:55 < 00:01 Jupiter 1.82613365067907 1.82613305473898 1.82613424662269 2.46570170105039 2.26980555835754 2460058.246455629 0.335612826640556 157.256544787186 24.0552285723152 -85.8228362612007 1670125.64452883 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
2081-Dec-30 03:00 00:02 Jupiter 1.86243199887031 1.86243121737085 1.86243278037242 2.91216127080477 2.75156240672954 2481493.624763710 1.76262209393912 312.599566281923 28.9736579918999 89.7237635151519 1909172.61235993 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
2118-Nov-21 23:38 00:03 Jupiter 1.91147642262878 1.91147521895198 1.91147762630732 2.1173069588797 1.89650711942743 2494968.484822989 2.85227213408491 128.605933073826 42.5259644148788 -66.3101684715961 1778392.18960356 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
2177-Jul-23 19:57 00:04 Jupiter 1.83155488550907 1.83155421059401 1.83155556042455 2.39647612049182 2.1950343964241 2516397.331558261 4.29917731912511 393.925343975055 38.4909965667516 82.2989698177268 1731802.50546049 T 18 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:50 2019-Dec-04 12:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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