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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698759546181071 5.0842e-08  
a 2.747422194622274 1.8701e-08 au
q 2.28070122657184 1.368e-07 au
i 13.21226849724822 5.1523e-06 deg
node 304.0422571278941 2.3403e-05 deg
peri 260.2345951534359 2.731e-05 deg
M 260.4444492053616 1.6247e-05 deg
tp 2459460.491184806888
(2021-Sep-02.99118481)
7.7088e-05 TDB
period 1663.361060319682
4.55
1.6983e-05
4.65e-08
d
yr
n .216429257957266 2.2098e-09 deg/d
Q 3.214143162672707 2.1878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:45  

Additional Information
 Earth MOID = 1.32271 au 
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457169.5 (2015-May-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706288242142265 5.076e-08  
q 2.27721701786921 1.3647e-07 au
tp 2457798.640489216154
(2017-Feb-14.14048922)
7.0744e-05 TDB
node 304.1020577995454 2.3395e-05 deg
peri 260.4305590734175 2.7286e-05 deg
i 13.21768184731853 5.1551e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:45  

Additional Information
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.576532979330487E-15 -6.885055258587851E-15 -3.237895627988439E-13 -6.738061730065812E-15 -1.248682925127181E-13 -8.670988600424846E-16
q -6.885055258587851E-15 1.86241429546781E-14 1.158657947791802E-12 1.66240600574616E-14 3.703559499240454E-13 2.922258092965159E-15
tp -3.237895627988439E-13 1.158657947791802E-12 5.004681294555548E-9 -4.58903219371633E-12 1.024310996654606E-9 -1.453450349790115E-12
node -6.738061730065812E-15 1.66240600574616E-14 -4.58903219371633E-12 5.473049206100245E-10 -5.327879088069729E-10 3.056932368434749E-11
peri -1.248682925127181E-13 3.703559499240454E-13 1.024310996654606E-9 -5.327879088069729E-10 7.445334479694012E-10 -3.005824917432556E-11
i -8.670988600424846E-16 2.922258092965159E-15 -1.453450349790115E-12 3.056932368434749E-11 -3.005824917432556E-11 2.657502316571268E-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

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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 1.9827582199138 1.98275761990231 1.98275881994806 2.45127572592046 2.27032257241102 2425240.165065295 2.90290221800609 1187.98941673128 29.0910344159868 85.7062286214607 2031560.42967528 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:47 2020-Nov-12 23:16
1987-Feb-25 05:57 < 00:01 Jupiter 1.98814925489564 1.98814869829608 1.98814981149543 2.69408892286997 2.53101635085513 2446851.747645596 0.942497296163423 546.138436733614 24.1058688665376 87.1481706349213 2064408.09117374 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:47 2020-Nov-12 23:16
2046-Apr-27 15:49 00:01 Jupiter 1.99875752234997 1.99875694876427 1.99875809593556 2.94530324767166 2.79772446366016 2468463.159119743 1.02347158225389 414.365928561082 21.4638174519788 87.7811775236585 1647641.11603583 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:47 2020-Nov-12 23:16

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