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JPL Small-Body Database Browser
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357978 (2006 BL172)
Classification: Main-belt Asteroid          SPK-ID: 2357978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07141825178899454 1.4198e-07  
a 2.258890022113841 3.0473e-08 au
q 2.097564045750867 3.2049e-07 au
i 3.174253062463919 1.4169e-05 deg
node 152.3984752603764 0.00022292 deg
peri 77.93693797117466 0.00024864 deg
M 231.9770120091592 0.00012009 deg
tp 2459041.487740186499
(2020-Jul-10.98774019)
0.00041823 TDB
period 1240.055313179361
3.40
2.5093e-05
6.87e-08
d
yr
n .2903096306865545 5.8746e-09 deg/d
Q 2.420215998476814 3.265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      1996-03-17  
   last obs. used      2016-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60746  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 06:47:46  

Additional Information
 Earth MOID = 1.08977 au 
 Jupiter MOID = 2.55813 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455886.5 (2011-Nov-21.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07088752215866763 1.4146e-07  
q 2.099797278509911 3.1888e-07 au
tp 2455320.159705213857
(2010-May-03.65970521)
0.00038912 TDB
node 152.4612629635098 0.0002228 deg
peri 77.65841543930857 0.00024907 deg
i 3.173952846050639 1.4172e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      1996-03-17  
   last obs. used      2016-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60746  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 06:47:46  

Additional Information
 Jupiter MOID = 2.55813 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001028360904951E-14 -4.492973106245729E-14 -2.199384797279487E-12 1.810802182787081E-13 4.331263491696097E-13 3.593987530660272E-16
q -4.492973106245729E-14 1.016836757297857E-13 9.049696163914924E-12 -3.859408276106174E-13 2.648259908069535E-13 9.248430250789661E-16
tp -2.199384797279487E-12 9.049696163914924E-12 1.514158405207878E-7 3.666958689235142E-10 4.335433135397739E-8 5.17404285608597E-11
node 1.810802182787081E-13 -3.859408276106174E-13 3.666958689235142E-10 4.963854571244864E-8 -4.944153842775236E-8 -5.657679778437175E-10
peri 4.331263491696097E-13 2.648259908069535E-13 4.335433135397739E-8 -4.944153842775236E-8 6.20377429699346E-8 5.798831571439208E-10
i 3.593987530660272E-16 9.248430250789661E-16 5.17404285608597E-11 -5.657679778437175E-10 5.798831571439208E-10 2.008511457157727E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO260712  

357978 (2006 BL172)          Discovered 2006-Jan-10 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2006 BL172 = 2010 JJ119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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