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 ]  
523838 (1995 BQ13)
Classification: Main-belt Asteroid          SPK-ID: 2523838
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06766385621059909 1.2455e-07  
a 2.89637309147788 3.0712e-08 au
q 2.700393319083872 3.5142e-07 au
i 2.103660721861857 5.8532e-06 deg
node 73.12372355796023 0.00028929 deg
peri 99.08422821964645 0.00029346 deg
M 56.67280523000525 4.7086e-05 deg
tp 2458917.065708602553
(2020-Mar-08.56570860)
0.00023492 TDB
period 1800.446342632393
4.93
2.8637e-05
7.84e-08
d
yr
n .1999504186687685 3.1803e-09 deg/d
Q 3.092352863871887 3.279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-01-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:24:13  

Additional Information
 Earth MOID = 1.70611 au 
 Jupiter MOID = 1.86916 au 
 T_jup = 3.284 
[ 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 17.11   n/a E2021B25  

523838 (1995 BQ13)          Discovered 1995-Jan-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

[ 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
1904-Sep-11 13:45 00:05 Jupiter 1.8929982429238 1.89299656825158 1.89299991760011 2.8423288624171 2.68028597159148 2416735.072676668 5.31495899745809 225.755647397006 29.0846965108791 80.8297917592443 1040525.7070374 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24
1963-Oct-19 03:55 00:03 Jupiter 1.8740527153499 1.87405145651831 1.87405397418116 2.75401926575164 2.58470012703149 2438321.663462662 2.54968164827122 127.040642749825 26.2732497853855 84.1827646052103 1004045.70247746 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24
2022-Nov-25 00:42 < 00:01 Jupiter 1.86412643772511 1.86412529454964 1.86412758089996 2.70158631148535 2.52780691590262 2459908.529292722 0.445922114084823 68.5657319809803 22.1718841183202 -81.8124249946671 1055935.60092502 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24
2082-Jan-01 12:02 00:03 Jupiter 1.8632994733096 1.86329828052686 1.86330066609352 2.68526835139325 2.51027926752654 2481496.001461176 3.10148099626457 188.02649695012 20.1944703222428 -84.8761211272306 1100654.78079143 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24
2141-Feb-09 15:40 00:06 Jupiter 1.87124164412853 1.87124014437852 1.87124314389003 2.70395618806298 2.53102227238658 2503084.152782159 5.90762044491982 336.48307609658 20.4575214480034 -84.2150713903482 1129500.68961804 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24
2200-Mar-21 09:21 00:09 Jupiter 1.8875281778434 1.88752596248637 1.88753039323401 2.7563807146923 2.58846300845623 2524672.889690649 8.72521483178129 473.077020174908 21.6987166775363 -82.2357325280589 1183368.08920133 T 7 CATAB v2.0g-lin.ifort 2021-Apr-14 19:24:14 2021-Apr-14 19:24

Alternate Designations
 1995 BQ13 = 2008 WD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 12:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin