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(2014 BR57)
Classification: Apollo [NEO]          SPK-ID: 3660308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3986644698313436 4.5645e-07  
a 1.358003445630302 1.092e-06 au
q .8166157219489598 2.8849e-07 au
i 3.853825313800177 1.2612e-05 deg
node 341.1996214709637 4.1772e-05 deg
peri 237.2088758652849 7.8871e-05 deg
M 317.1146617322839 0.0016741 deg
tp 2459069.358264715580
(2020-Aug-07.85826472)
0.0027711 TDB
period 578.0291423344029
1.58
0.00069719
1.909e-06
d
yr
n .6228059688238554 7.5119e-07 deg/d
Q 1.899391169311645 1.5273e-06 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      22 days  
   first obs. used      2014-01-28  
   last obs. used      2014-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .39072  
   source      ORB  
   producer      Giorgini  
   solution date      2017-Jul-27 17:06:05  

Additional Information
 Earth MOID = .0112171 au 
 Jupiter MOID = 3.08202 au 
 T_jup = 4.767 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456699.5 (2014-Feb-11.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3989333286681322 4.6109e-07  
q .816374899672594 2.9096e-07 au
tp 2456757.475124192841
(2014-Apr-09.97512419)
4.4156e-05 TDB
node 341.4418490119851 4.3083e-05 deg
peri 237.0067118889559 8.0673e-05 deg
i 3.781451622206217 1.2556e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      22 days  
   first obs. used      2014-01-28  
   last obs. used      2014-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .39072  
   source      ORB  
   producer      Giorgini  
   solution date      2017-Jul-27 17:06:05  

Additional Information
 Jupiter MOID = 3.08202 au 
 T_jup = 4.767 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.126024532087816E-13 -1.021594769980418E-14 -1.408613708601342E-11 1.219594548664023E-13 -1.316432342789678E-11 1.42462705792306E-13
q -1.021594769980418E-14 8.465807767160688E-14 -8.563787457943268E-12 6.933528620078752E-15 -1.729816069128687E-11 -8.386446732437471E-14
tp -1.408613708601342E-11 -8.563787457943268E-12 1.949787858977581E-9 -2.146624163560338E-11 2.855007711598925E-9 -3.116788564903098E-13
node 1.219594548664023E-13 6.933528620078752E-15 -2.146624163560338E-11 1.856162594860422E-9 -1.873400857653721E-9 -5.323354095350423E-10
peri -1.316432342789678E-11 -1.729816069128687E-11 2.855007711598925E-9 -1.873400857653721E-9 6.508132330611194E-9 5.394003060797879E-10
i 1.42462705792306E-13 -8.386446732437471E-14 -3.116788564903098E-13 -5.323354095350423E-10 5.394003060797879E-10 1.576412007441687E-10

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 23.9   n/a E2014D13  
rotation period rot_per 5.07 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]

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