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 ]  
100720 (1998 BA28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100720
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 .09714032005072623 5.6973e-08  
a 3.447193880720914 3.6211e-08 au
q 3.112332363870779 2.0654e-07 au
i 7.262415714682912 6.1941e-06 deg
node 301.7275563965574 4.1971e-05 deg
peri 359.3504764969237 5.5303e-05 deg
M 355.3749605183967 3.2093e-05 deg
tp 2459030.533775889618
(2020-Jun-30.03377589)
0.00020822 TDB
period 2337.744221053548
6.40
3.6835e-05
1.008e-07
d
yr
n .1539946058930944 2.4264e-09 deg/d
Q 3.782055397571048 3.9728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      8327 days (22.80 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:37  

Additional Information
 Earth MOID = 2.09681 au 
 Jupiter MOID = 1.44244 au 
 T_jup = 3.117 
[ 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 14.3   n/a MPO436469  
diameter diameter 6.950 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100720 (1998 BA28)          Discovered 1998-Jan-23 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-May-26 01:08 00:04 Jupiter 1.75065583378896 1.75065490521254 1.75065676236896 3.38684243434206 3.24083917932086 2433792.547051835 3.75575885745343 205.141085263115 27.4331159909557 -86.7201135118605 1891105.12086222 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
1965-May-29 05:43 00:03 Jupiter 1.44811252223949 1.44811162221806 1.44811342226257 1.90149324719724 1.56392035384452 2438909.738359916 3.13985794151086 160.47410254981 56.9773354011409 -55.1193613593628 1629442.72644598 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
1979-Mar-13 14:48 00:02 Jupiter 1.48032965515547 1.4803287850588 1.48033052525206 2.50620132026237 2.26642337909056 2443946.116597459 1.94181979709336 245.131294543849 40.921307829476 -85.9035257032696 1803014.77544468 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
1992-Dec-25 23:54 00:01 Jupiter 1.94392495561045 1.94392419773255 1.94392571348825 2.87591366842438 2.7201881269458 2448982.495992839 1.2466496822491 83.846413158185 29.4601906924676 88.6860322815601 2178286.06112383 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2033-Oct-30 19:53 < 00:01 Jupiter 1.86152522594684 1.86152433718402 1.86152611470955 4.17305789296059 4.06255849399341 2463901.328376467 0.900329771624695 88.6173979588496 38.5823179861384 88.3398120994984 1807624.9809726 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2047-Sep-18 23:59 00:02 Jupiter 1.57413566463371 1.57413437123039 1.57413695803568 1.99802915824063 1.70761406127319 2468972.499534704 2.13281722174705 68.2417906475324 28.4540675330216 -66.571798011056 1097277.98274914 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2061-Aug-10 08:12 00:03 Jupiter 1.38264189394415 1.38264124568849 1.38264254220179 2.40041590328691 2.12997024208905 2474046.841464484 2.57161131395961 263.69526859029 32.2743446622308 -88.1334923423075 1834975.51906462 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2075-May-19 14:09 00:04 Jupiter 1.77956095681104 1.77955887878121 1.7795630348523 2.53239110248151 2.33689092671043 2479077.089500437 3.60300031273439 314.730866227211 41.4977128569092 -76.444598879312 1325223.16850526 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2116-Apr-20 20:34 00:05 Jupiter 1.95659770155493 1.95659613357606 1.95659926953369 4.73063627868694 4.63822250201407 2494023.356671996 5.04047401729578 82.7940136917275 60.2663429101992 48.2080176367789 1166487.0450259 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2130-Jan-21 05:57 00:07 Jupiter 1.70520796514173 1.7052053662434 1.70521056405091 2.67360232468461 2.48086593091209 2499046.747574673 7.06069536015848 279.505382312713 19.2423019245053 -83.0099118286656 1472726.66582885 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2144-Jan-11 15:57 00:07 Jupiter 1.38776004921221 1.38775876698341 1.38776133151264 2.30871654862765 2.02718216589482 2504150.164850410 7.35284305281654 586.055949271778 24.6100119130013 -80.918513518142 1749756.79341376 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
2157-Oct-09 01:53 00:08 Jupiter 1.60113503890722 1.60113090979414 1.60113916816319 2.38832024146324 2.1554688573637 2509169.578394449 8.39750909717224 883.234721504548 53.9142645376302 -77.1198187487984 1194499.61202455 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:04:38 2020-Nov-12 20:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 02:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin