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52662 (1998 BW12)
Classification: Main-belt Asteroid          SPK-ID: 2052662
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698759538522466 5.1406e-08  
a 2.747422194364722 1.888e-08 au
q 2.280701228462182 1.3808e-07 au
i 13.2122685281747 5.1575e-06 deg
node 304.0422574674776 2.354e-05 deg
peri 260.2345948032607 2.7428e-05 deg
M 260.444449329389 1.6291e-05 deg
tp 2459460.491184169144
(2021-Sep-02.99118417)
7.7336e-05 TDB
period 1663.361060085789
4.55
1.7146e-05
4.694e-08
d
yr
n .2164292579876992 2.2309e-09 deg/d
Q 3.214143160267262 2.2087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:11:46  

Additional Information
 Earth MOID = 1.32271 au 
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457146.5 (2015-May-04.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706095476521976 5.1321e-08  
q 2.277309292215803 1.3774e-07 au
tp 2457798.647974126063
(2017-Feb-14.14797413)
7.0854e-05 TDB
node 304.1026738398699 2.3532e-05 deg
peri 260.4273999811132 2.7405e-05 deg
i 13.21762888406261 5.1603e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:11:46  

Additional Information
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.633858247522121E-15 -7.02607506157138E-15 -2.955211022260307E-13 -6.631435836865031E-15 -1.23830844303827E-13 -8.334604861622395E-16
q -7.02607506157138E-15 1.897104547085382E-14 1.088974169359567E-12 1.628023246458014E-14 3.67841370388846E-13 2.826973065844114E-15
tp -2.955211022260307E-13 1.088974169359567E-12 5.020346012782397E-9 -5.354498797260087E-12 1.025966683400334E-9 -1.50937556892983E-12
node -6.631435836865031E-15 1.628023246458014E-14 -5.354498797260087E-12 5.537592280331163E-10 -5.39226277914853E-10 3.115708415066017E-11
peri -1.23830844303827E-13 3.67841370388846E-13 1.025966683400334E-9 -5.39226277914853E-10 7.510460320851181E-10 -3.064321542861687E-11
i -8.334604861622395E-16 2.826973065844114E-15 -1.50937556892983E-12 3.115708415066017E-11 -3.064321542861687E-11 2.66286985640515E-11

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 14.4   n/a MPO400512  

52662 (1998 BW12)          Discovered 1998-Jan-23 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ 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
1927-Dec-25 15:58 00:03 Jupiter 1.98275822194209 1.98275761819787 1.98275882571146 2.45127576550627 2.27032261534445 2425240.165070478 2.93104937481277 1200.9201804585 29.0926103840877 85.7054905837527 2023068.82620243 T 21 CATAB v2.0f-lin.ifort 2020-Oct-22 18:12:04 2020-Oct-22 18:12
1987-Feb-25 05:57 < 00:01 Jupiter 1.98814925616379 1.98814869735617 1.98814981497175 2.69408896436507 2.53101639513112 2446851.747646336 0.950478748318765 550.666945081314 24.1392262239238 87.1313729066888 2057605.44717065 T 21 CATAB v2.0f-lin.ifort 2020-Oct-22 18:12:04 2020-Oct-22 18:12
2046-Apr-27 15:49 00:01 Jupiter 1.998757523839 1.99875694681152 1.99875810086637 2.94530329763762 2.79772451637465 2468463.159115698 1.03450440210762 415.67839441733 21.4908024254792 87.7693820149493 1626165.0318369 T 21 CATAB v2.0f-lin.ifort 2020-Oct-22 18:12:04 2020-Oct-22 18:12

Alternate Designations
 1998 BW12 = 1995 QL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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