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215717 (2004 BE87)
Classification: Main-belt Asteroid          SPK-ID: 2215717
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03325030764639412 4.8394e-08  
a 2.671816457385816 2.1558e-08 au
q 2.582977738203039 1.2651e-07 au
i 8.700676226441475 4.3478e-06 deg
node 229.280998081309 3.4266e-05 deg
peri 315.7121107155806 7.7188e-05 deg
M 222.8998103394869 7.0243e-05 deg
tp 2459607.996685271575
(2022-Jan-28.49668527)
0.00031264 TDB
period 1595.17508501854
4.37
1.9306e-05
5.286e-08
d
yr
n .2256805559345956 2.7314e-09 deg/d
Q 2.760655176568593 2.2275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-10-31  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:19  

Additional Information
 Earth MOID = 1.58758 au 
 Jupiter MOID = 2.22687 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457633.5 (2016-Sep-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03249199820757052 4.8275e-08  
q 2.584785202997808 1.2592e-07 au
tp 2458023.837647590160
(2017-Sep-27.33764759)
0.00031878 TDB
node 229.2982726655277 3.4279e-05 deg
peri 318.2805944393801 7.9114e-05 deg
i 8.698156446751847 4.3485e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-10-31  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:19  

Additional Information
 Jupiter MOID = 2.22687 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.330460202619506E-15 -5.998466628101079E-15 -3.401580913286404E-12 2.480087784105959E-14 -7.670292760313525E-13 -1.817220989112695E-15
q -5.998466628101079E-15 1.585531437209666E-14 9.844504720291228E-12 -6.524093446988999E-14 2.195564443195702E-12 5.488656376925907E-15
tp -3.401580913286404E-12 9.844504720291228E-12 1.016180626681746E-7 -6.36337775039949E-11 2.276369993904021E-8 1.928696082677149E-11
node 2.480087784105959E-14 -6.524093446988999E-14 -6.36337775039949E-11 1.175025189789602E-9 -1.175071814603588E-9 -1.857232184973758E-11
peri -7.670292760313525E-13 2.195564443195702E-12 2.276369993904021E-8 -1.175071814603588E-9 6.259099014362403E-9 2.263391463236285E-11
i -1.817220989112695E-15 5.488656376925907E-15 1.928696082677149E-11 -1.857232184973758E-11 2.263391463236285E-11 1.89096886329273E-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 15.8   n/a MPO450016  

215717 (2004 BE87)          Discovered 2004-Jan-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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