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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698759471566111 5.0429e-08  
a 2.74742219178746 1.8544e-08 au
q 2.280701244718473 1.3589e-07 au
i 13.21226857929879 5.1504e-06 deg
node 304.0422585071848 2.3293e-05 deg
peri 260.2345932895419 2.7212e-05 deg
M 260.4444508187999 1.6192e-05 deg
tp 2459460.491176640147
(2021-Sep-02.99117664)
7.6786e-05 TDB
period 1663.361057745277
4.55
1.684e-05
4.611e-08
d
yr
n .2164292582922364 2.1912e-09 deg/d
Q 3.214143138856447 2.1694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      9218 days (25.24 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:33:26  

Additional Information
 Earth MOID = 1.32271 au 
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457183.5 (2015-Jun-10.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706376141083082 5.0347e-08  
q 2.277174913508249 1.3556e-07 au
tp 2457798.637514672591
(2017-Feb-14.13751467)
7.0593e-05 TDB
node 304.1017080897855 2.3285e-05 deg
peri 260.4321587982016 2.7188e-05 deg
i 13.21771711171779 5.1532e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      9218 days (25.24 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:33:26  

Additional Information
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.53483683982669E-15 -6.783617063803553E-15 -3.530287254563387E-13 -7.050132728923844E-15 -1.270515553458885E-13 -8.98861473396036E-16
q -6.783617063803553E-15 1.837739428260093E-14 1.229927553063384E-12 1.749777040639412E-14 3.755877623912608E-13 3.01005944691372E-15
tp -3.530287254563387E-13 1.229927553063384E-12 4.983344474097812E-9 -3.918024727138883E-12 1.021740179665447E-9 -1.421215946859456E-12
node -7.050132728923844E-15 1.749777040639412E-14 -3.918024727138883E-12 5.421774415140979E-10 -5.276485455474957E-10 3.025000062560051E-11
peri -1.270515553458885E-13 3.755877623912608E-13 1.021740179665447E-9 -5.276485455474957E-10 7.39201616833606E-10 -2.97394002993219E-11
i -8.98861473396036E-16 3.01005944691372E-15 -1.421215946859456E-12 3.025000062560051E-11 -2.97394002993219E-11 2.655524135110981E-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 1.98275823966537 1.98275764244844 1.98275883690338 2.45127519626249 2.27032200241176 2425240.165173803 2.87826145542263 1177.12960019179 29.084723237894 85.7079610703781 2036770.64709329 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:33:28 2020-Dec-17 21:33
1987-Feb-25 05:57 < 00:01 Jupiter 1.98814926731209 1.98814871228138 1.98814982234292 2.69408886587224 2.53101629123629 2446851.747676792 0.93541894998246 542.74483586053 24.067488466134 87.1633382669622 2068090.52280159 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:33:28 2020-Dec-17 21:33
2046-Apr-27 15:49 00:01 Jupiter 1.99875753871198 1.99875696761856 1.9987581098054 2.94530368842473 2.79772492890272 2468463.159074906 1.01408966459782 413.532668611611 21.4311947781491 87.7915864368145 1663554.12408943 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:33:28 2020-Dec-17 21:33

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