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JPL Small-Body Database Browser
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347921 (2003 BU70)
Classification: Main-belt Asteroid          SPK-ID: 2347921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289269507502708 7.007e-08  
a 2.364106850013595 1.9029e-08 au
q 2.059309762593514 1.5673e-07 au
i 4.111666293587949 5.5184e-06 deg
node 327.6205231431792 7.362e-05 deg
peri 229.7746144198058 7.5648e-05 deg
M 231.6806862603689 1.9807e-05 deg
tp 2459473.747802980549
(2021-Sep-16.24780298)
7.6198e-05 TDB
period 1327.697320909061
3.64
1.603e-05
4.389e-08
d
yr
n .2711461372487455 3.2738e-09 deg/d
Q 2.668903937433676 2.1483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6587 days (18.03 yr)  
   first obs. used      2001-10-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:03:17  

Additional Information
 Earth MOID = 1.06065 au 
 Jupiter MOID = 2.30259 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288446750444379 7.0201e-08  
q 2.059461196513935 1.5695e-07 au
tp 2458147.132501235278
(2018-Jan-28.63250124)
6.8053e-05 TDB
node 327.6757397502698 7.3607e-05 deg
peri 229.9846287630907 7.5627e-05 deg
i 4.111945085087176 5.5203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6587 days (18.03 yr)  
   first obs. used      2001-10-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:03:17  

Additional Information
 Jupiter MOID = 2.30259 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.928119892023515E-15 -1.097697139093374E-14 7.07352282548693E-13 -4.614082834413037E-14 1.211757565538935E-13 -3.360028334076964E-15
q -1.097697139093374E-14 2.463465788220378E-14 -1.221032325781724E-12 1.0462517961985E-13 -1.987899723561686E-13 7.8224919302043E-15
tp 7.07352282548693E-13 -1.221032325781724E-12 4.631157149005557E-9 -9.921255414055127E-12 1.203223426024999E-9 -7.845883878662829E-13
node -4.614082834413037E-14 1.0462517961985E-13 -9.921255414055127E-12 5.417982113192196E-9 -5.405851137042667E-9 1.371387923972006E-10
peri 1.211757565538935E-13 -1.987899723561686E-13 1.203223426024999E-9 -5.405851137042667E-9 5.719467185116685E-9 -1.370723848711356E-10
i -3.360028334076964E-15 7.8224919302043E-15 -7.845883878662829E-13 1.371387923972006E-10 -1.370723848711356E-10 3.047327210390554E-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 16.8   n/a MPO450310  

347921 (2003 BU70)          Discovered 2003-Jan-31 by Spacewatch at Kitt Peak
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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