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8870 von Zeipel (1992 EQ11)
Classification: Main-belt Asteroid          SPK-ID: 2008870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135934121425388 9.8239e-09  
a 2.937020394323873 1.1779e-08 au
q 2.537779107413011 2.733e-08 au
i 1.973469035885485 9.1921e-07 deg
node 39.2174309919091 1.4711e-05 deg
peri 326.5217491786938 1.946e-05 deg
M 49.73334440980916 8.5062e-06 deg
tp 2458946.517359144706
(2020-Apr-07.01735914)
4.3262e-05 TDB
period 1838.479832654727
5.03
1.106e-05
3.028e-08
d
yr
n .1958139510729184 1.178e-09 deg/d
Q 3.336261681234735 1.338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2496  
   data-arc span      16090 days (44.05 yr)  
   first obs. used      1977-02-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:57:00  

Additional Information
 Earth MOID = 1.53485 au 
 Jupiter MOID = 2.12293 au 
 T_jup = 3.259 
[ show covariance matrix ]

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 13.24   n/a E2021B10  

8870 von Zeipel           Discovered 1992 Mar. 6 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Hugo von Zeipel (1873-1959), professor of astronomy at Uppsala University during 1911-1920, is still well known for his theoretical work in celestial mechanics and astrophysics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1992 EQ11 = 1977 DY10 = 1994 OD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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