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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.


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 
[ show covariance matrix ]

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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