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215721 (2004 BU96)
Classification: Main-belt Asteroid          SPK-ID: 2215721
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170255372924889 7.0982e-08  
a 2.722052694458964 2.5252e-08 au
q 2.403503015351437 1.855e-07 au
i 8.492844833172798 7.2293e-06 deg
node 140.2746629590278 3.8007e-05 deg
peri 49.23264869478142 4.5834e-05 deg
M 183.6058086171611 2.7945e-05 deg
tp 2459804.257425523723
(2022-Aug-12.75742552)
0.00013046 TDB
period 1640.375291953581
4.49
2.2826e-05
6.249e-08
d
yr
n .2194619741993694 3.0538e-09 deg/d
Q 3.040602373566492 2.8207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:20  

Additional Information
 Earth MOID = 1.41524 au 
 Jupiter MOID = 1.94348 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457048.5 (2015-Jan-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157639413918889 7.1189e-08  
q 2.408612268085129 1.8592e-07 au
tp 2456523.251669293895
(2013-Aug-18.75166929)
0.00012536 TDB
node 140.3518705146705 3.8016e-05 deg
peri 49.54338396515513 4.599e-05 deg
i 8.489696264449236 7.2278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:20  

Additional Information
 Jupiter MOID = 1.94348 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.067886669473661E-15 -1.315394018046013E-14 -2.948723073330113E-12 -5.243992654432346E-15 -5.152615913693058E-13 3.893051828197121E-15
q -1.315394018046013E-14 3.456727057257642E-14 7.889914657085777E-12 1.42205489144454E-14 1.402957694301168E-12 -8.28442982209271E-15
tp -2.948723073330113E-12 7.889914657085777E-12 1.571620060224399E-8 1.56203020102705E-11 3.27114856626577E-9 -5.330597907360983E-13
node -5.243992654432346E-15 1.42205489144454E-14 1.56203020102705E-11 1.445253113922886E-9 -1.425350636586531E-9 5.360790436619902E-11
peri -5.152615913693058E-13 1.402957694301168E-12 3.27114856626577E-9 -1.425350636586531E-9 2.115038844643915E-9 -5.290907373923623E-11
i 3.893051828197121E-15 -8.28442982209271E-15 -5.330597907360983E-13 5.360790436619902E-11 -5.290907373923623E-11 5.22409061537497E-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 16.1   n/a MPO494188  
rotation period rot_per 1.28 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

215721 (2004 BU96)          Discovered 2004-Jan-24 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 BU96 = 2000 GK139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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