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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697500674741701 4.1788e-08  
a 2.747544021352543 1.4414e-08 au
q 2.281148238339696 1.1767e-07 au
i 13.21231856090056 4.9396e-06 deg
node 304.0420086226235 1.885e-05 deg
peri 260.213194860021 2.3303e-05 deg
M 303.7359207609625 1.4057e-05 deg
tp 2459460.482509392419
(2021-Sep-02.98250939)
6.5373e-05 TDB
period 1663.471697166475
4.55
1.309e-05
3.584e-08
d
yr
n .2164148633326415 1.703e-09 deg/d
Q 3.21393980436539 1.686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      9342 days (25.58 yr)  
   first obs. used      1995-08-22  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:18  

Additional Information
 Earth MOID = 1.32243 au 
 Jupiter MOID = 1.98711 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457616.5 (2016-Aug-16.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708632100605883 4.1736e-08  
q 2.277382649367594 1.1766e-07 au
tp 2457798.188580367901
(2017-Feb-13.68858037)
6.3425e-05 TDB
node 304.0999161086013 1.8848e-05 deg
peri 260.3193122052365 2.3266e-05 deg
i 13.21538577461545 4.9415e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      9342 days (25.58 yr)  
   first obs. used      1995-08-22  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:18  

Additional Information
 Jupiter MOID = 1.98711 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741933727198756E-15 -4.886124626070894E-15 -1.008234378979053E-12 2.523510280212443E-15 -1.979715021626398E-13 -9.897609269841429E-16
q -4.886124626070894E-15 1.384274461459369E-14 2.783902169895329E-12 -6.944068669559405E-15 5.430419078566429E-13 3.366349153702434E-15
tp -1.008234378979053E-12 2.783902169895329E-12 4.022739302759569E-9 -9.866966844531324E-12 8.86102070384972E-10 -1.331425721377365E-13
node 2.523510280212443E-15 -6.944068669559405E-15 -9.866966844531324E-12 3.552339904728926E-10 -3.474863928585088E-10 2.925579836476727E-11
peri -1.979715021626398E-13 5.430419078566429E-13 8.86102070384972E-10 -3.474863928585088E-10 5.413078464932597E-10 -2.851131120903623E-11
i -9.897609269841429E-16 3.366349153702434E-15 -1.331425721377365E-13 2.925579836476727E-11 -2.851131120903623E-11 2.44182996085102E-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 14.48   n/a MPCxxxxx  

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 00:02 Jupiter 1.98275818031081 1.98275766687931 1.98275869374231 2.45127397280773 2.27032067684971 2425240.165425245 2.23131635153984 896.75261619387 26.7542216082513 85.8205681665413 2200145.66045665 T 27 CATAB v2.0g-lin.ifort 2021-May-04 06:19:23 2021-May-04 06:19
1987-Feb-25 05:57 < 00:01 Jupiter 1.98814918981473 1.98814869114756 1.98814968848236 2.69408846980447 2.53101586401859 2446851.747751690 0.750156976000886 460.087597649977 20.5407612064692 87.6667534285886 2164726.80714923 T 27 CATAB v2.0g-lin.ifort 2021-May-04 06:19:23 2021-May-04 06:19
2046-Apr-27 15:49 < 00:01 Jupiter 1.99875748478716 1.99875698978764 1.9987579797868 2.9453042800211 2.79772554845574 2468463.158985161 0.766759835946361 389.308198844336 18.4844150399559 88.0686488893713 2147096.30520256 T 27 CATAB v2.0g-lin.ifort 2021-May-04 06:19:23 2021-May-04 06:19

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