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(2001 BB16)
Classification: Aten [NEO]          SPK-ID: 3071939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17220349158826 6.0751e-08  
a .8553313167850426 1.2834e-08 au
q .7080402775698742 5.8558e-08 au
i 2.028426960885194 6.5544e-06 deg
node 122.3250582913921 5.0372e-05 deg
peri 196.0864075057819 5.5277e-05 deg
M 331.1206826777853 5.5255e-05 deg
tp 2459023.678450998541
(2020-Jun-23.17845100)
4.4616e-05 TDB
period 288.9348895050291
0.79
6.5033e-06
1.781e-08
d
yr
n 1.245955449051901 2.8044e-08 deg/d
Q 1.002622356000211 1.5045e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.176917358770406E-13 2.589E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      57  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      6967 days (19.07 yr)  
   first obs. used      2001-01-20  
   last obs. used      2020-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-18 05:01:36  

Additional Information
 Earth MOID = .00491321 au 
 Jupiter MOID = 4.15764 au 
 T_jup = 6.882 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456934.5 (2014-Oct-04.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724586012774824 5.9674e-08  
q .7072490507307919 5.4247e-08 au
tp 2457000.202340094753
(2014-Dec-08.70234009)
4.1297e-05 TDB
node 122.5635944798553 5.0726e-05 deg
peri 195.5731403952161 5.6227e-05 deg
i 2.025763798883842 6.5676e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.176917358770406E-13 2.589E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      57  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      6967 days (19.07 yr)  
   first obs. used      2001-01-20  
   last obs. used      2020-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-18 05:01:36  

Additional Information
 Jupiter MOID = 4.15764 au 
 T_jup = 6.882 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 3.560968332573743E-15 -3.209295841865315E-15 2.259182161515378E-12 9.401057157989888E-14 1.37863002925421E-12 1.736809611695889E-13 -4.805237006724889E-22
q -3.209295841865315E-15 2.942731795687738E-15 -2.028219253105484E-12 -9.912070687143353E-15 -1.2684357308102E-12 -1.630252846732689E-13 6.055016803809663E-22
tp 2.259182161515378E-12 -2.028219253105484E-12 1.705453836636671E-9 7.14511617517392E-11 1.044709368667216E-9 1.486566812171435E-10 -2.924399997767428E-19
node 9.401057157989888E-14 -9.912070687143353E-15 7.14511617517392E-11 2.573127849372767E-9 -2.475244757987553E-9 -2.052569228046679E-10 2.387331911887417E-19
peri 1.37863002925421E-12 -1.2684357308102E-12 1.044709368667216E-9 -2.475244757987553E-9 3.161529871374121E-9 2.910791188639789E-10 -2.768967143244174E-19
i 1.736809611695889E-13 -1.630252846732689E-13 1.486566812171435E-10 -2.052569228046679E-10 2.910791188639789E-10 4.31332265755617E-11 -4.77304179665766E-20
A2 -4.805237006724889E-22 6.055016803809663E-22 -2.924399997767428E-19 2.387331911887417E-19 -2.768967143244174E-19 -4.77304179665766E-20 6.703330580577278E-28

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 23.2   n/a MPO363034  

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