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227657 (2006 BZ157)
Classification: Main-belt Asteroid          SPK-ID: 2227657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09217275865166173 5.0408e-08  
a 3.054243549603012 2.7242e-08 au
q 2.772725496042058 1.6506e-07 au
i 1.477826130187309 7.3172e-06 deg
node 30.06588848222096 0.00019902 deg
peri 106.9624590006574 0.00020311 deg
M 298.2550163759091 4.0206e-05 deg
tp 2459534.889863409161
(2021-Nov-16.38986341)
0.0002188 TDB
period 1949.637748066863
5.34
2.6084e-05
7.141e-08
d
yr
n .1846496870287586 2.4704e-09 deg/d
Q 3.335761603163964 2.9753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      9476 days (25.94 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:38  

Additional Information
 Earth MOID = 1.78671 au 
 Jupiter MOID = 1.68099 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08960907176566651 5.1341e-08  
q 2.780869117513267 1.6755e-07 au
tp 2457591.661270756153
(2016-Jul-22.16127076)
0.00021855 TDB
node 30.10601761973504 0.00019846 deg
peri 108.2163591973427 0.0002027 deg
i 1.481703974638144 7.3168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      9476 days (25.94 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:38  

Additional Information
 Jupiter MOID = 1.68099 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.635880107733798E-15 -8.520766009487112E-15 2.138897369267155E-12 2.325261722556246E-15 4.422535924164496E-13 -6.21064077981817E-16
q -8.520766009487112E-15 2.807455469035564E-14 -5.949080241109688E-12 -1.099693939426265E-14 -1.271760254177785E-12 2.497810890676392E-15
tp 2.138897369267155E-12 -5.949080241109688E-12 4.776199888182458E-8 -1.577793191572963E-11 9.027433542199193E-9 3.500413432953855E-13
node 2.325261722556246E-15 -1.099693939426265E-14 -1.577793191572963E-11 3.938698260273413E-8 -3.937602532377407E-8 -3.789022070358161E-11
peri 4.422535924164496E-13 -1.271760254177785E-12 9.027433542199193E-9 -3.937602532377407E-8 4.108552267296881E-8 3.792969978175225E-11
i -6.21064077981817E-16 2.497810890676392E-15 3.500413432953855E-13 -3.789022070358161E-11 3.792969978175225E-11 5.353488979736321E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.05   n/a MPCxxxxx  

227657 (2006 BZ157)          Discovered 2006-Jan-25 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2006 BZ157 = 1995 BE10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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