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215868 Rohrer (2005 EA153)
Classification: Main-belt Asteroid          SPK-ID: 2215868
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04231941121671008 3.6115e-08  
a 2.343645254295885 1.2256e-08 au
q 2.244463567033247 8.4692e-08 au
i .4791067730863207 4.2105e-06 deg
node 231.5813072716339 0.00054593 deg
peri 208.4590837390158 0.00054938 deg
M 174.5182910577076 6.0502e-05 deg
tp 2458365.206092092217
(2018-Sep-03.70609209)
0.00021955 TDB
period 1310.497630137669
3.59
1.028e-05
2.815e-08
d
yr
n .2747048080981129 2.1549e-09 deg/d
Q 2.442826941558524 1.2775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1996-11-09  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:07:51  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.63377 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04205702206210907 3.6079e-08  
q 2.244524236828975 8.456e-08 au
tp 2457058.483032871001
(2015-Feb-04.98303287)
0.00021991 TDB
node 231.7781491117314 0.00054708 deg
peri 209.2171005862039 0.00055056 deg
i .4783570975561847 4.2082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1996-11-09  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:07:51  

Additional Information
 Jupiter MOID = 2.63377 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.301710500223789E-15 -3.0209557115618E-15 -6.399154027084678E-13 2.026300539431582E-14 -2.187813303709825E-13 -4.858797481081829E-17
q -3.0209557115618E-15 7.150455366344857E-15 1.651144369800495E-12 -4.529432317803841E-14 5.512135842794194E-13 1.352325613773596E-16
tp -6.399154027084678E-13 1.651144369800495E-12 4.835892395749568E-8 -2.867323521841944E-11 1.361915880830432E-8 -5.801407579252694E-13
node 2.026300539431582E-14 -4.529432317803841E-14 -2.867323521841944E-11 2.992958004588787E-7 -2.992930827160356E-7 -3.167382393689438E-10
peri -2.187813303709825E-13 5.512135842794194E-13 1.361915880830432E-8 -2.992930827160356E-7 3.031197675927961E-7 3.16564723026588E-10
i -4.858797481081829E-17 1.352325613773596E-16 -5.801407579252694E-13 -3.167382393689438E-10 3.16564723026588E-10 1.77091500759639E-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 17.1   n/a MPO427269  

215868 Rohrer           Discovered 2005 Mar. 12 by S. Sposetti at Gnosca.
Swiss physicist Heinrich Rohrer (1933-2013) was awarded the 1986 Nobel Prize in Physics, together with his colleague Gerd Binnig (and Ernst Ruska), for the invention of the scanning tunneling microscope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-09-19Last Updated: 2013-09-23

Alternate Designations
 2005 EA153 = 1996 VX23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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