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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457139.5 (2015-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706024451813804 5.1486e-08  
q 2.277342842519286 1.3811e-07 au
tp 2457798.651533281601
(2017-Feb-14.15153328)
7.0874e-05 TDB
node 304.1028497686268 2.357e-05 deg
peri 260.4264585001139 2.7438e-05 deg
i 13.21761581233776 5.1624e-06 deg
  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
 Jupiter MOID = 1.988 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.650788303383989E-15 -7.067985360985742E-15 -2.89388224486357E-13 -6.667729517079733E-15 -1.238925194893299E-13 -8.289073169544167E-16
q -7.067985360985742E-15 1.907479928622578E-14 1.073753459620362E-12 1.635888918444179E-14 3.679919898027912E-13 2.813058165061795E-15
tp -2.89388224486357E-13 1.073753459620362E-12 5.023136809739541E-9 -5.52373727387296E-12 1.02621016922515E-9 -1.524235563150005E-12
node -6.667729517079733E-15 1.635888918444179E-14 -5.52373727387296E-12 5.555478593748709E-10 -5.409977521415682E-10 3.135214760532159E-11
peri -1.238925194893299E-13 3.679919898027912E-13 1.02621016922515E-9 -5.409977521415682E-10 7.528237625265301E-10 -3.083621564324173E-11
i -8.289073169544167E-16 2.813058165061795E-15 -1.524235563150005E-12 3.135214760532159E-11 -3.083621564324173E-11 2.664996731981129E-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

[ 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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