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 ]  
(2021 BM)
Classification: Apollo [NEO]          SPK-ID: 54106296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180920805969338 0.0001132  
a 1.191021537655318 0.00015336 au
q .9755409611358775 9.2135e-06 au
i 1.264305413106762 0.00074673 deg
node 181.1577278368117 0.00055478 deg
peri 337.9672916158881 0.0028795 deg
M 305.4621249955369 0.0089785 deg
tp 2459272.423955044401
(2021-Feb-26.92395504)
0.0020538 TDB
period 474.7640756788803
1.30
0.091697
0.0002511
d
yr
n .7582713571687675 0.00014645 deg/d
Q 1.406502114174758 0.0001811 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      26 days  
   first obs. used      2021-01-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-11 05:25:35  

Additional Information
 Earth MOID = .00396372 au 
 Jupiter MOID = 3.56912 au 
 T_jup = 5.310 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.2   .34159 E2021D54 autocmod 2.8

[ 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
1999-Aug-07 19:56 9_02:23 Earth 0.372249518235317 0.355339635508416 0.389376858512226 6.28093928627982 6.27979957979022 2451398.330368671 13103.1608616511 959978.578245602 39.5896960633282 -27.8827812105099 346846.779467912 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2003-Oct-05 20:24 2_15:55 Earth 0.370614808429423 0.369929390408944 0.371303407422691 6.41143228820312 6.41031085732068 2452918.350259391 3834.76663957563 64075.4866696474 53.0261711307223 57.7098580185524 342274.783205625 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2012-Aug-07 13:52 3_02:17 Earth 0.375415447675035 0.3697405630786 0.381113068596035 6.32800343089689 6.32688174307589 2456147.077832677 4456.6400307041 318793.963644907 44.6632838084508 -27.2402942111044 302127.920363554 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2016-Oct-05 06:34 1_12:57 Earth 0.367840940668791 0.365914752169796 0.369779392514043 6.37764327057751 6.37650739504452 2457666.773547805 2217.03797058624 143191.425933214 67.496831299678 47.7276788688919 318273.503097898 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2021-Feb-17 00:52 00:01 Earth 0.0152838005358819 0.0152547778522796 0.0153128187774543 2.92788333729875 2.86772274103727 2459262.536265476 1.13438286632661 1386.31251808103 4.27901376377384 0.301869857238204 825.798274481661 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2025-Aug-07 22:46 1_12:59 Earth 0.377118403158376 0.375715419125836 0.378526255388123 6.3582931550514 6.35718185320083 2460895.448763278 2219.11188799795 97352.5276617364 30.2078486372186 -43.9838028218074 587752.667896416 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
2029-Oct-06 01:28 3_02:16 Earth 0.364335653428416 0.357602369197656 0.371114789185418 6.32152510593197 6.32036811871224 2462415.561448184 4455.66401822049 393768.384355691 86.6045271317975 31.2015420142033 185863.403415283 T 11 CATAB v2.0f-lin.ifort 2021-Feb-11 05:25:35 2021-Feb-11 05:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 17:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin