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160137 (2001 BU41)
Classification: Mars-crossing Asteroid          SPK-ID: 2160137
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .3291187262603674 3.6378e-08  
a 2.394255135783525 9.0958e-09 au
q 1.606260935152108 8.7348e-08 au
i 20.48321686999228 4.6414e-06 deg
node 308.2943058051844 1.1632e-05 deg
peri 85.18923437525106 1.4115e-05 deg
M 148.6820470520907 5.7096e-06 deg
tp 2458441.630898199330
(2018-Nov-19.13089820)
2.1811e-05 TDB
period 1353.175320338125
3.70
7.7111e-06
2.111e-08
d
yr
n .2660409147205292 1.516e-09 deg/d
Q 3.182249336414942 1.2089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      10126 days (27.72 yr)  
   first obs. used      1992-08-03  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:30:51  

Additional Information
 Earth MOID = .752977 au 
 Jupiter MOID = 2.71457 au 
 T_jup = 3.373 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3274255033659792 3.6261e-08  
q 1.611219869262661 8.6934e-08 au
tp 2457086.642861290432
(2015-Mar-05.14286129)
2.4953e-05 TDB
node 308.4400505983508 1.1603e-05 deg
peri 84.97164906643212 1.4166e-05 deg
i 20.49835941581275 4.6437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      10126 days (27.72 yr)  
   first obs. used      1992-08-03  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:30:51  

Additional Information
 Jupiter MOID = 2.71457 au 
 T_jup = 3.373 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.314853529169044E-15 -3.144573838630262E-15 -3.493694670655579E-13 9.255513716595754E-16 -1.176959301378352E-13 -3.137216953188332E-14
q -3.144573838630262E-15 7.55751421707393E-15 7.643764873093313E-13 -5.780943107613239E-16 2.59230800207464E-13 7.601030182818563E-14
tp -3.493694670655579E-13 7.643764873093313E-13 6.226502672917643E-10 -7.356278761805102E-13 2.148519740286045E-10 1.385667078245981E-11
node 9.255513716595754E-16 -5.780943107613239E-16 -7.356278761805102E-13 1.346398157216005E-10 -1.25981298019175E-10 1.458838344200276E-11
peri -1.176959301378352E-13 2.59230800207464E-13 2.148519740286045E-10 -1.25981298019175E-10 2.006690329835266E-10 -9.258265553625039E-12
i -3.137216953188332E-14 7.601030182818563E-14 1.385667078245981E-11 1.458838344200276E-11 -9.258265553625039E-12 2.156433158646783E-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 15.1   n/a MPO469692  

160137 (2001 BU41)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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