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(2009 BH2)
Classification: Aten [NEO]          SPK-ID: 3444370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757663350483576 3.4052e-06  
a .8142195256661314 1.576e-08 au
q .4268412860151439 2.7643e-06 au
i 23.19184395765294 0.00026153 deg
node 117.0994094683337 2.3807e-05 deg
peri 220.9866783484579 2.0334e-05 deg
M 175.9220840183512 0.00046567 deg
tp 2459069.361999784892
(2020-Aug-07.86199979)
0.00034332 TDB
period 268.3556208469777
0.73
7.7912e-06
2.133e-08
d
yr
n 1.341503482817973 3.8948e-08 deg/d
Q 1.201597765317119 2.3257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4027 days (11.03 yr)  
   first obs. used      2009-01-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .38193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:29:54  

Additional Information
 Earth MOID = .000577693 au 
 Jupiter MOID = 4.19495 au 
 T_jup = 7.030 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457459.5 (2016-Mar-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4759809728751472 3.3892e-06  
q .4265090049396112 2.7583e-06 au
tp 2457460.049098951857
(2016-Mar-12.54909895)
0.00029793 TDB
node 117.1201279774216 2.3795e-05 deg
peri 220.9305094444856 1.9789e-05 deg
i 23.19454436260535 0.00026171 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4027 days (11.03 yr)  
   first obs. used      2009-01-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .38193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:29:54  

Additional Information
 Jupiter MOID = 4.19495 au 
 T_jup = 7.030 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.148662449514437E-11 -9.348446734346296E-12 1.009355017979341E-9 7.102133493074941E-11 -5.678756370303454E-11 8.56470096031491E-10
q -9.348446734346296E-12 7.608280805199799E-12 -8.214745664528395E-10 -5.780402001741289E-11 4.621473066448184E-11 -6.97028610204548E-10
tp 1.009355017979341E-9 -8.214745664528395E-10 8.876268071280012E-8 6.261375192672582E-9 -4.954360030606209E-9 7.508857299276612E-8
node 7.102133493074941E-11 -5.780402001741289E-11 6.261375192672582E-9 5.662218569809108E-10 -4.436428681095349E-10 5.884375530469029E-9
peri -5.678756370303454E-11 4.621473066448184E-11 -4.954360030606209E-9 -4.436428681095349E-10 3.916106469275915E-10 -4.878568126517717E-9
i 8.56470096031491E-10 -6.97028610204548E-10 7.508857299276612E-8 5.884375530469029E-9 -4.878568126517717E-9 6.849038263804556E-8

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 22.5   n/a MPO535968  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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