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72336 (2001 BY61)
Classification: Main-belt Asteroid          SPK-ID: 2072336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0891748644642744 1.1623e-07  
a 2.513735517587989 1.2611e-08 au
q 2.289573493508048 2.9405e-07 au
i 12.02264119286258 4.8681e-06 deg
node 193.6377508632318 1.833e-05 deg
peri 14.01158454891435 5.0472e-05 deg
M 335.737576930125 5.7295e-05 deg
tp 2459494.609140204903
(2021-Oct-07.10914020)
0.00023179 TDB
period 1455.719833589853
3.99
1.0954e-05
2.999e-08
d
yr
n .2473003332737647 1.861e-09 deg/d
Q 2.737897541667931 1.3735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:23  

Additional Information
 Earth MOID = 1.28835 au 
 Jupiter MOID = 2.2187 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457628.5 (2016-Aug-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08973135557225304 1.1585e-07  
q 2.287461255147584 2.9289e-07 au
tp 2458041.370109159794
(2017-Oct-14.87010916)
0.00023288 TDB
node 193.6682594998865 1.8322e-05 deg
peri 14.61988960229116 5.1046e-05 deg
i 12.02628608219904 4.8702e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:23  

Additional Information
 Jupiter MOID = 2.2187 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.342068985651079E-14 -3.390480752143352E-14 -2.399857700178305E-11 -1.860159121264018E-13 -4.744337440369802E-12 -6.434864665301286E-14
q -3.390480752143352E-14 8.578212392071444E-14 6.053341429098352E-11 4.684562005832791E-13 1.195732214821053E-11 1.628181308687729E-13
tp -2.399857700178305E-11 6.053341429098352E-11 5.423156817736226E-8 3.711010824461828E-10 1.109178434206516E-8 1.364901116090985E-10
node -1.860159121264018E-13 4.684562005832791E-13 3.711010824461828E-10 3.357063252564633E-10 -2.507926299633273E-10 -7.965237329980198E-12
peri -4.744337440369802E-12 1.195732214821053E-11 1.109178434206516E-8 -2.507926299633273E-10 2.605706340424992E-9 3.644118479485834E-11
i -6.434864665301286E-14 1.628181308687729E-13 1.364901116090985E-10 -7.965237329980198E-12 3.644118479485834E-11 2.371874095372166E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a MPCxxxxx  

72336 (2001 BY61)          Discovered 2001-Jan-26 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BY61 = 1995 SG72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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