Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
136879 (1998 FH124)
Classification: Main-belt Asteroid          SPK-ID: 2136879
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532367787242468 4.9005e-08  
a 3.024129671344088 2.4437e-08 au
q 2.560721782062905 1.4775e-07 au
i 3.706457906821801 5.0085e-06 deg
node 81.57725932947695 9.7957e-05 deg
peri 117.5619477977175 9.9505e-05 deg
M 64.08034022762018 1.8116e-05 deg
tp 2458658.582484591785
(2019-Jun-24.08248459)
9.6334e-05 TDB
period 1920.874719293432
5.26
2.3283e-05
6.375e-08
d
yr
n .1874146170929987 2.2716e-09 deg/d
Q 3.487537560625271 2.8181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:15:23  

Additional Information
 Earth MOID = 1.56102 au 
 Jupiter MOID = 1.47559 au 
 T_jup = 3.224 
[ 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 15.4   n/a MPO436675  
diameter diameter 4.449 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136879 (1998 FH124)          Discovered 1998-Mar-24 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
1918-Apr-29 06:17 00:03 Jupiter 1.97415769743171 1.97415523643154 1.97416015843088 2.97489484314052 2.82699293226505 2421712.761458439 3.21086432411964 114.202261121254 45.2403775692531 -48.3076754889784 838137.021176195 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
1927-Apr-01 18:40 00:03 Jupiter 1.60635412014966 1.60635245685692 1.60635578347355 1.39491322355878 0.944030124692627 2424972.277787738 3.18051028594917 784.577768954781 149.148386788642 43.9241379938927 1510205.3397307 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
1965-Feb-10 22:54 00:02 Jupiter 1.72195524559152 1.7219538907335 1.72195660044838 1.94977400458042 1.67863846978537 2438802.454047245 1.9143457386884 112.923545182804 35.2655782487467 86.825578508284 1006105.66078137 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
1974-Jan-05 14:05 00:02 Jupiter 1.83267464814982 1.83267350839601 1.8326757879031 2.29562945527043 2.08460018414254 2442053.086484742 1.55919313132238 78.0100088660665 12.2900176564104 -87.7321612024241 1425882.67202946 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2011-Nov-23 21:46 < 00:01 Jupiter 1.52503730496628 1.52503685341658 1.52503775651892 1.26360345312577 0.697044947562135 2455889.407197789 0.297793992629921 652.021586801088 290.282738546322 4.01198999354386 1326002.10845233 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2058-Oct-04 02:44 00:02 Jupiter 1.46566183545776 1.46566134094788 1.46566232996804 1.03145741631407 n/a 2473005.613772014 1.78880136754818 142.755494036201 23.7497985696714 87.2983379029665 9219077.56711084 F 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2105-Aug-13 05:45 00:04 Jupiter 1.53930772869449 1.53930598600057 1.53930947161984 1.1966378872038 0.575689392593487 2490119.739538089 4.01196248267609 2965.39628709729 531.333398019556 32.3383234909134 1488003.38989808 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2143-Jun-27 11:25 00:06 Jupiter 1.82650219090416 1.82649827247072 1.82650610933261 2.32047830911604 2.11119377515474 2503951.975674482 5.66510848521729 181.898448957832 19.4006973685747 -72.3783721415014 711495.061137067 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2152-May-22 19:31 00:06 Jupiter 1.72910017668043 1.72909619082679 1.72910416254704 1.87987189456625 1.59818396141322 2507204.313039239 6.16801505362616 454.983673240682 28.5092032499606 71.7899469303041 1599221.39834882 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2190-Apr-01 14:29 00:07 Jupiter 1.58891567811003 1.5889120837299 1.5889192725066 1.48570359802866 1.06824668001555 2521032.103389697 7.16647831743741 878.409207342645 166.829478740677 39.8158069342346 892669.39957108 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15
2199-Mar-05 12:55 00:07 Jupiter 1.97885045080351 1.97884534808095 1.97885555352516 2.98325886252543 2.83615199195779 2524292.038160957 6.91126934102515 258.927894327291 31.5962214691197 -50.8049831412818 1170757.49886278 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 04:15:35 2019-Jul-13 04:15

Alternate Designations
 1998 FH124 = 2001 WT78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 00:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin