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482650 (2013 BK18)
Classification: Apollo [NEO, PHA]          SPK-ID: 2482650
[ 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 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4944365655388597 2.1113e-08  
a 1.626445870069685 7.032e-09 au
q .8222715600375674 3.3426e-08 au
i 28.89446852721052 1.0001e-05 deg
node 137.7397129286929 1.5333e-06 deg
peri 64.63016838518107 5.6913e-06 deg
M 177.6157358312982 6.0742e-06 deg
tp 2458626.702160777361
(2019-May-23.20216078)		 1.0521e-05 TDB
period 757.6311946142201
2.07		 4.9135e-06
1.345e-08		 d
yr
n .4751652288859479 3.0816e-09 deg/d
Q 2.430620180101802 1.0509e-08 au
   Orbit Determination Parameters
   # obs. used (total)      198  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      2382 days (6.52 yr)  
   first obs. used      2013-01-16  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:03:02  

Additional Information
 Earth MOID = .0218819 au 
 Jupiter MOID = 2.86986 au 
 T_jup = 4.050 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4943844287751403 2.1124e-08  
q .8223799287700457 3.3438e-08 au
tp 2457111.330655480428
(2015-Mar-29.83065548)		 4.1907e-06 TDB
node 137.7682850460824 1.5318e-06 deg
peri 64.59657308783959 5.6888e-06 deg
i 28.89608068745635 1.0002e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      198  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      2382 days (6.52 yr)  
   first obs. used      2013-01-16  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:03:02  

Additional Information
 Jupiter MOID = 2.86986 au 
 T_jup = 4.050 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.462321752573004E-16 -7.026552161641344E-16 -4.323114851655314E-14 1.968422869710603E-14 -1.7999635470418E-14 -1.081654175205355E-14
q -7.026552161641344E-16 1.118084990734031E-15 6.947602006877259E-14 -3.09002397342011E-14 2.914224559330104E-14 2.690496138904303E-14
tp -4.323114851655314E-14 6.947602006877259E-14 1.756216365360699E-11 -5.229626331990492E-12 2.200905197424275E-11 4.460225424241366E-12
node 1.968422869710603E-14 -3.09002397342011E-14 -5.229626331990492E-12 2.346262641736476E-12 -6.581668372999365E-12 6.265592526950927E-12
peri -1.7999635470418E-14 2.914224559330104E-14 2.200905197424275E-11 -6.581668372999365E-12 3.236228283037689E-11 -3.491767155104175E-12
i -1.081654175205355E-14 2.690496138904303E-14 4.460225424241366E-12 6.265592526950927E-12 -3.491767155104175E-12 1.000365451186827E-10

[ 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 19.6   n/a MPO477287  
rotation period rot_per 4.690 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]

482650 (2013 BK18)          Discovered 2013-Jan-16 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-01-17

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