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305710 (2009 BU179)
Classification: Main-belt Asteroid          SPK-ID: 2305710
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09146500201026904 5.2036e-08  
a 2.366914160146917 1.5634e-08 au
q 2.150424351730945 1.2499e-07 au
i .7611288183680311 5.2447e-06 deg
node 242.8220538897114 0.00042736 deg
peri 91.49620517018407 0.0004285 deg
M 199.4376677121053 3.0432e-05 deg
tp 2459593.716682560969
(2022-Jan-14.21668256)
0.00011399 TDB
period 1330.062927455679
3.64
1.3178e-05
3.608e-08
d
yr
n .2706638855716818 2.6817e-09 deg/d
Q 2.583403968562889 1.7064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:08  

Additional Information
 Earth MOID = 1.14039 au 
 Jupiter MOID = 2.68803 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456811.5 (2014-Jun-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09205525279199585 5.2278e-08  
q 2.149325382414808 1.2569e-07 au
tp 2456930.783456772717
(2014-Sep-30.28345677)
0.00010791 TDB
node 243.0415288358202 0.00042863 deg
peri 90.68447588931708 0.00042973 deg
i .7594036474855573 5.2407e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:08  

Additional Information
 Jupiter MOID = 2.68803 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.732964729846685E-15 -6.529125807197096E-15 -2.57708916446015E-13 -9.199373257443658E-16 -1.3923669356695E-13 -7.488189406288146E-16
q -6.529125807197096E-15 1.579741529171642E-14 7.183082665824009E-13 4.215022835876076E-15 3.541501903612557E-13 1.841634675715594E-15
tp -2.57708916446015E-13 7.183082665824009E-13 1.164390103371746E-8 -3.549726796774553E-11 3.35295246685421E-9 4.645099135497398E-13
node -9.199373257443658E-16 4.215022835876076E-15 -3.549726796774553E-11 1.837214505283948E-7 -1.837151625737194E-7 -1.588321105820882E-10
peri -1.3923669356695E-13 3.541501903612557E-13 3.35295246685421E-9 -1.837151625737194E-7 1.84671027943383E-7 1.589560642897837E-10
i -7.488189406288146E-16 1.841634675715594E-15 4.645099135497398E-13 -1.588321105820882E-10 1.589560642897837E-10 2.746467422878521E-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 17.8   n/a MPO460268  

305710 (2009 BU179)          Discovered 2009-Jan-18 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BU179 = 2007 RU96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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