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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698759570087303 5.1572e-08  
a 2.747422195261212 1.8927e-08 au
q 2.280701220534187 1.3845e-07 au
i 13.21226867363558 5.1595e-06 deg
node 304.042257280921 2.3578e-05 deg
peri 260.2345949596786 2.746e-05 deg
M 260.4444490243301 1.63e-05 deg
tp 2459460.491185803797
(2021-Sep-02.99118580)
7.7385e-05 TDB
period 1663.361060899927
4.55
1.7189e-05
4.706e-08
d
yr
n .2164292578817671 2.2365e-09 deg/d
Q 3.214143169988237 2.2142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      8922 days (24.43 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:42  

Additional Information
 Earth MOID = 1.32271 au 
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
[ 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 14.4   n/a MPO400512  

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

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