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(2017 BM123)
Classification: Apollo [NEO]          SPK-ID: 3768609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2965736662691437 7.7174e-08  
a 1.310918212450684 2.4326e-09 au
q .9221343920051924 1.0079e-07 au
i 7.865751564688003 6.3085e-06 deg
node 151.4585790125249 6.8691e-06 deg
peri 59.72656262100327 2.4539e-05 deg
M 163.173436827931 1.0933e-05 deg
tp 2458952.010076315886
(2020-Apr-12.51007632)
1.6425e-05 TDB
period 548.2287697391215
1.50
1.526e-06
4.178e-09
d
yr
n .6566601752244935 1.8278e-09 deg/d
Q 1.699702032896175 3.154e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:30:35  

Additional Information
 Earth MOID = .0263119 au 
 Jupiter MOID = 3.27252 au 
 T_jup = 4.919 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458362.5 (2018-Sep-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2964795233476706 7.7011e-08  
q .9225066508063139 1.011e-07 au
tp 2458403.520093222708
(2018-Oct-12.02009322)
1.6552e-05 TDB
node 151.5468704325988 6.8864e-06 deg
peri 59.59977089652257 2.473e-05 deg
i 7.899376890192805 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:30:35  

Additional Information
 Jupiter MOID = 3.27252 au 
 T_jup = 4.919 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.930705635320588E-15 -7.785135737835931E-15 1.165484397903812E-12 1.566870557794922E-13 1.695219001047137E-12 9.626488693692633E-14
q -7.785135737835931E-15 1.022020549646307E-14 -1.52952799476176E-12 -2.063897786226022E-13 -2.223869983740195E-12 -1.256075201950505E-13
tp 1.165484397903812E-12 -1.52952799476176E-12 2.739793524837764E-10 1.344202450087834E-11 3.966978535663788E-10 4.265217154840598E-11
node 1.566870557794922E-13 -2.063897786226022E-13 1.344202450087834E-11 4.742311090894322E-11 -1.629718727770296E-11 -6.777589358722567E-12
peri 1.695219001047137E-12 -2.223869983740195E-12 3.966978535663788E-10 -1.629718727770296E-11 6.115572361408262E-10 6.16856436257597E-11
i 9.626488693692633E-14 -1.256075201950505E-13 4.265217154840598E-11 -6.777589358722567E-12 6.16856436257597E-11 3.920575709883843E-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 23.8   n/a MPO544982  
rotation period rot_per 2.1503 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]

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