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JPL Small-Body Database Browser
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312810 (2011 BZ125)
Classification: Main-belt Asteroid          SPK-ID: 2312810
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722695729691647 6.199e-08  
a 2.680846414270316 3.3475e-08 au
q 2.219018147288052 1.6966e-07 au
i 3.996317390480589 7.6229e-06 deg
node 335.4097129176715 7.5814e-05 deg
peri 335.7204365587771 7.8266e-05 deg
M 131.0725299031614 2.0227e-05 deg
tp 2458016.765302048533
(2017-Sep-20.26530205)
8.6966e-05 TDB
period 1603.268750651156
4.39
3.003e-05
8.222e-08
d
yr
n .2245412691127352 4.2057e-09 deg/d
Q 3.14267468125258 3.9242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6693 days (18.32 yr)  
   first obs. used      2000-09-10  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:17:54  

Additional Information
 Earth MOID = 1.2047 au 
 Jupiter MOID = 2.13116 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456631.5 (2013-Dec-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741208237040045 6.2264e-08  
q 2.212257220281522 1.7048e-07 au
tp 2456409.413394531709
(2013-Apr-26.91339453)
8.3082e-05 TDB
node 335.4780913216954 7.5702e-05 deg
peri 334.7903872167507 7.8071e-05 deg
i 4.003304654751997 7.6187e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6693 days (18.32 yr)  
   first obs. used      2000-09-10  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:17:54  

Additional Information
 Jupiter MOID = 2.13116 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.876854179731294E-15 -1.047713090518189E-14 2.385389807813276E-12 5.753446794576099E-14 3.826910351835276E-13 -1.973217947669372E-15
q -1.047713090518189E-14 2.906400603791056E-14 -6.652397756407704E-12 -1.55621704470416E-13 -1.059186936759787E-12 6.395578522273309E-15
tp 2.385389807813276E-12 -6.652397756407704E-12 6.90254535602086E-9 6.607874524301646E-11 1.592505886373127E-9 -3.819091875285127E-12
node 5.753446794576099E-14 -1.55621704470416E-13 6.607874524301646E-11 5.730790743301604E-9 -5.701937877682007E-9 2.225117952656548E-10
peri 3.826910351835276E-13 -1.059186936759787E-12 1.592505886373127E-9 -5.701937877682007E-9 6.095011431736745E-9 -2.22907049075544E-10
i -1.973217947669372E-15 6.395578522273309E-15 -3.819091875285127E-12 2.225117952656548E-10 -2.22907049075544E-10 5.804436563579954E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO471274  
rotation period rot_per 5.270 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

312810 (2011 BZ125)          Discovered 2004-Jul-19 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 BZ125 = 2007 BC67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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