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JPL Small-Body Database Browser
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(2017 BM123)
Classification: Apollo [NEO]          SPK-ID: 3768609
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 .2965603842740714 1.0376e-07  
a 1.311120043515499 6.6242e-09 au
q .9222937795811057 1.3487e-07 au
i 7.8647993494767 7.1824e-06 deg
node 151.4614004751705 9.2907e-06 deg
peri 59.75060671751698 2.9761e-05 deg
M 31.82235173130066 1.3164e-05 deg
tp 2458952.027894723413
(2020-Apr-12.52789472)
1.9848e-05 TDB
period 548.3553838796674
1.50
4.1557e-06
1.138e-08
d
yr
n .6565085537283597 4.9753e-09 deg/d
Q 1.699946307449893 8.5887e-09 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1117 days (3.06 yr)  
   first obs. used      2017-01-31  
   last obs. used      2020-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 10:47:23  

Additional Information
 Earth MOID = .0265896 au 
 Jupiter MOID = 3.27344 au 
 T_jup = 4.918 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458247.5 (2018-May-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2964802702772791 1.031e-07  
q .9225525808812788 1.352e-07 au
tp 2458403.513964327101
(2018-Oct-12.01396433)
1.9606e-05 TDB
node 151.5479085399712 9.3417e-06 deg
peri 59.58966294326311 3.0124e-05 deg
i 7.899239159585727 7.1266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1117 days (3.06 yr)  
   first obs. used      2017-01-31  
   last obs. used      2020-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 10:47:23  

Additional Information
 Jupiter MOID = 3.27344 au 
 T_jup = 4.918 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.062953346226393E-14 -1.3938059917657E-14 1.655847552672215E-12 1.442320476262944E-13 2.701249882120522E-12 1.692516781216184E-13
q -1.3938059917657E-14 1.827906957235161E-14 -2.161908475517048E-12 -1.902782099098416E-13 -3.532608610006293E-12 -2.188760296021872E-13
tp 1.655847552672215E-12 -2.161908475517048E-12 3.843849646816373E-10 1.535043815279809E-11 5.512367227733769E-10 6.305274815372729E-11
node 1.442320476262944E-13 -1.902782099098416E-13 1.535043815279809E-11 8.726683491452075E-11 -5.549420361272747E-11 -2.285505479073517E-11
peri 2.701249882120522E-12 -3.532608610006293E-12 5.512367227733769E-10 -5.549420361272747E-11 9.074278305129723E-10 1.045175023053007E-10
i 1.692516781216184E-13 -2.188760296021872E-13 6.305274815372729E-11 -2.285505479073517E-11 1.045175023053007E-10 5.078820931622679E-11

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 23.7   n/a MPO399812  
rotation period rot_per 2.150 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]

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