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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2965603193617657 7.7213e-08  
a 1.311120034599566 2.4208e-09 au
q .9222938584171096 1.0089e-07 au
i 7.864794166199045 6.3082e-06 deg
node 151.4614057358956 6.8682e-06 deg
peri 59.75058056869914 2.4539e-05 deg
M 31.82236317745653 1.0814e-05 deg
tp 2458952.027877782954
(2020-Apr-12.52787778)
1.6433e-05 TDB
period 548.3553782862436
1.50
1.5187e-06
4.158e-09
d
yr
n .6565085604249852 1.8183e-09 deg/d
Q 1.699946210782023 3.1388e-09 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1127 days (3.09 yr)  
   first obs. used      2017-01-31  
   last obs. used      2020-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-16 23:20:22  

Additional Information
 Earth MOID = .0265896 au 
 Jupiter MOID = 3.27344 au 
 T_jup = 4.918 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458362.5 (2018-Sep-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2964795239866937 7.7011e-08  
q .9225066499432595 1.011e-07 au
tp 2458403.520093311977
(2018-Oct-12.02009331)
1.6552e-05 TDB
node 151.5468705901571 6.8864e-06 deg
peri 59.59977096343629 2.473e-05 deg
i 7.899377022583937 6.2615e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1127 days (3.09 yr)  
   first obs. used      2017-01-31  
   last obs. used      2020-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-16 23:20:22  

Additional Information
 Jupiter MOID = 3.27344 au 
 T_jup = 4.918 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.930717583261729E-15 -7.785152345344964E-15 1.165484108890356E-12 1.566867564452782E-13 1.695222500032267E-12 9.626519491412719E-14
q -7.785152345344964E-15 1.022022851003362E-14 -1.529527762887184E-12 -2.063894239798181E-13 -2.22387479129515E-12 -1.256079208320848E-13
tp 1.165484108890356E-12 -1.529527762887184E-12 2.739786902386868E-10 1.344190201550015E-11 3.966977069411773E-10 4.265216368390749E-11
node 1.566867564452782E-13 -2.063894239798181E-13 1.344190201550015E-11 4.74230951656001E-11 -1.629728040843984E-11 -6.777601823163262E-12
peri 1.695222500032267E-12 -2.22387479129515E-12 3.966977069411773E-10 -1.629728040843984E-11 6.115582135438263E-10 6.168572749350402E-11
i 9.626519491412719E-14 -1.256079208320848E-13 4.265216368390749E-11 -6.777601823163262E-12 6.168572749350402E-11 3.92057689418018E-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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