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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04646184733244708 5.3684e-08  
a 2.931491603741096 2.4581e-08 au
q 2.795289088391726 1.4814e-07 au
i 3.86586775290505 5.7691e-06 deg
node 295.2143587782029 6.8043e-05 deg
peri 209.1713956314515 8.7116e-05 deg
M 143.9768718141259 5.3623e-05 deg
tp 2458267.301375628634
(2018-May-28.80137563)
0.000273 TDB
period 1833.291010200952
5.02
2.3059e-05
6.313e-08
d
yr
n .1963681695905657 2.4699e-09 deg/d
Q 3.067694119090465 2.5723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7778 days (21.30 yr)  
   first obs. used      1998-01-22  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:09:41  

Additional Information
 Earth MOID = 1.80834 au 
 Jupiter MOID = 1.94228 au 
 T_jup = 3.271 
[ 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 MPO436469  
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 17:58 00:02 Jupiter 1.9412632020274 1.94126270619996 1.94126369785518 3.12384663268348 2.98090035218382 2433722.248904461 2.21073625229358 132.494074416528 16.9157499550148 87.3039223779944 3002790.99231275 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09
1985-Oct-16 14:39 < 00:01 Jupiter 1.99735230393946 1.99735183533091 1.99735277254791 3.3941797818886 3.26685032721824 2446355.110296518 0.985204525686303 73.4905399714607 17.6450454867283 89.4160364189802 2897850.74981515 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09
2046-Jul-29 13:44 00:01 Jupiter 1.9597588367961 1.95975841706698 1.95975925652545 3.15579802570428 3.01573309987664 2468556.072159329 1.25513245336764 82.8902439556872 13.4108697530033 -84.7810813231057 3467237.34958354 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09
2081-Feb-26 15:57 00:02 Jupiter 1.95561862533385 1.95561793747256 1.95561931319681 3.20900966836773 3.07107439863121 2481187.164805654 2.43679193588273 129.243803600051 16.6877326995636 -82.1247970973751 2939567.13508752 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09
2141-Dec-14 11:34 00:05 Jupiter 1.98631736483531 1.98631657808112 1.98631815159434 3.29047843641097 3.15822595104239 2503391.981871705 4.6607650024319 207.693281507378 19.0985039154161 84.2087239607532 3223699.23676453 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09
2176-Jul-11 19:57 00:06 Jupiter 1.94603518122005 1.9460346075229 1.94603575492771 3.11065230581822 2.9674310047081 2516020.331177855 5.88515264256712 327.835049007148 14.1023974643565 -87.9757705194285 3196782.33416283 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 01:09:51 2020-Feb-24 01:09

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 2020-Aug-09 15:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin