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(2012 BP61)
Classification: Outer Main-belt Asteroid          SPK-ID: 3596614
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .539962249384074 0.00013838  
a 3.568203517181207 0.0014792 au
q 1.641508319783878 0.00021285 au
i 2.849714888547711 0.001253 deg
node 334.4245644516503 0.004075 deg
peri 135.2953348633829 0.023538 deg
M 149.2846032509661 0.33582 deg
tp 2458375.594908367930
(2018-Sep-14.09490837)
1.6617 TDB
period 2461.913854369085
6.74
1.5308
0.004191
d
yr
n .1462276997877561 9.0926e-05 deg/d
Q 5.494898714578535 0.0022779 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      43 days  
   first obs. used      2012-01-04  
   last obs. used      2012-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:57:10  

Additional Information
 Earth MOID = .660033 au 
 Jupiter MOID = .0394026 au 
 T_jup = 2.851 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455953.5 (2012-Jan-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5428448697981079 0.00011984  
q 1.62586017253333 0.00030739 au
tp 2455921.880150162078
(2011-Dec-26.38015016)
0.029333 TDB
node 334.6409283285826 0.0060037 deg
peri 134.8328702209119 0.026967 deg
i 2.85183979841909 0.0012685 deg
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      43 days  
   first obs. used      2012-01-04  
   last obs. used      2012-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:57:10  

Additional Information
 Jupiter MOID = .0394026 au 
 T_jup = 2.851 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.436091875106328E-8 3.298806374699314E-8 2.064087428858271E-6 -6.047574142363525E-7 2.288263274932043E-6 1.366018570044723E-7
q 3.298806374699314E-8 9.448716421661564E-8 7.981763642170042E-6 -1.814516020722576E-6 7.854489767379513E-6 3.888536178671296E-7
tp 2.064087428858271E-6 7.981763642170042E-6 .0008604229850025928 -.0001606555353260835 .0007803797887384846 3.262952218548146E-5
node -6.047574142363525E-7 -1.814516020722576E-6 -.0001606555353260835 3.604421460399463E-5 -.000156372286877136 -7.544772175524236E-6
peri 2.288263274932043E-6 7.854489767379513E-6 .0007803797887384846 -.000156372286877136 .0007272053066951904 3.227303551623155E-5
i 1.366018570044723E-7 3.888536178671296E-7 3.262952218548146E-5 -7.544772175524236E-6 3.227303551623155E-5 1.609053411795909E-6

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.4   n/a MPO223031  

[ 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
1961-Dec-29 12:07 9_19:19 Jupiter 0.231525803385105 0.209933009468004 0.253337980073502 5.38073795257108 4.65139413342005 2437663.004772896 14119.4593199108 1156230.06426084 251741.207434719 -10.4303904417375 50.187914561673 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 05:57:10 2021-Apr-15 05:57
2008-Jul-09 19:37 6_01:33 Jupiter 0.321553667214402 0.311709230261029 0.331580373999597 5.09615877377146 4.55000245208131 2454657.317676251 8733.09447141637 640284.268536512 20655.7011743677 -39.037745732 1344.07772092106 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 05:57:10 2021-Apr-15 05:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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