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 ]  
100713 (1998 BG20)
Classification: Main-belt Asteroid          SPK-ID: 2100713
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04759848098390334 5.3354e-08  
a 2.928881262029095 2.2869e-08 au
q 2.789470962974293 1.4815e-07 au
i 3.865037224910612 5.7425e-06 deg
node 295.2087653014099 6.2364e-05 deg
peri 209.7654475390436 7.9174e-05 deg
M 182.5964565650651 4.9385e-05 deg
tp 2460102.716706177708
(2023-Jun-07.21670618)
0.00025328 TDB
period 1830.842879094457
5.01
2.1443e-05
5.871e-08
d
yr
n .1966307453854574 2.303e-09 deg/d
Q 3.068291561083898 2.3958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8326 days (22.80 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:26  

Additional Information
 Earth MOID = 1.8023 au 
 Jupiter MOID = 1.94052 au 
 T_jup = 3.272 
[ 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 15.46   n/a E2021B55  
diameter diameter 3.907 km 0.749 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100713 (1998 BG20)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
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
1951-Mar-16 17:57 00:02 Jupiter 1.94126303522479 1.94126254168943 1.94126352876048 3.12384605854722 2.98089973874687 2433722.247722423 2.08018355261413 126.719168499129 16.5654226259692 87.1020429709635 3024722.28048123 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33
1985-Oct-16 14:39 < 00:01 Jupiter 1.99735232818986 1.9973518633482 1.99735279303151 3.39417954417742 3.26685008253517 2446355.110246350 0.946890236132002 71.6932317164633 17.4435766369025 89.2022729468538 2925123.25161488 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33
2046-Jul-29 13:44 00:01 Jupiter 1.95975881754984 1.9597584095445 1.9597592255554 3.15579788313487 3.01573295006988 2468556.072257606 1.12789966761736 76.8172750056662 11.8397151707691 -83.1824591040336 3700986.24668955 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33
2081-Feb-26 15:58 00:02 Jupiter 1.95561855726554 1.95561789364515 1.95561922088727 3.20900893911851 3.07107363249848 2481187.165130784 2.21573173893924 119.142079347764 16.6187305894732 -82.0692725413034 2973189.35904208 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33
2141-Dec-14 11:35 00:04 Jupiter 1.98631747997999 1.98631680116492 1.98631815879879 3.2904792477287 3.15822680490744 2503391.982579887 4.28105431044804 190.76717088629 18.0383774223652 84.9169165209644 3504366.36466909 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33
2176-Jul-11 19:58 00:05 Jupiter 1.94603514079614 1.94603457420905 1.9460357073924 3.11065169743568 2.96743036472576 2516020.331950894 5.40762116128164 300.780748268351 13.5321902558536 -87.7578076250817 3280244.421791 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:28 2021-Apr-13 15:33

Alternate Designations
 1998 BG20 = 2001 TT100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 19:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin