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3705 Hotellasilla (1984 ET1)
Classification: Main-belt Asteroid          SPK-ID: 2003705
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716245282739692 4.8704e-08  
a 3.12579953707563 2.0939e-08 au
q 2.589335666046033 1.5585e-07 au
i 1.398272419648776 6.1955e-06 deg
node 154.4538826103842 0.00018623 deg
peri 234.7816465909279 0.00018718 deg
M 47.18466900604233 1.6342e-05 deg
tp 2457135.931263808207
(2015-Apr-23.43126381)
9.1378e-05 JED
period 2018.552784949043
5.53
2.0283e-05
5.553e-08
d
yr
n .1783455962530541 1.7921e-09 deg/d
Q 3.662263408105226 2.4533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1544  
   data-arc span      24574 days (67.28 yr)  
   first obs. used      1948-09-07  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4953  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:49:07  

Additional Information
 Earth MOID = 1.59324 au 
 Jupiter MOID = 1.78134 au 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO358665  

3705 Hotellasilla           Discovered 1984 Mar. 4 by H. Debehogne at the European Southern Observatory.
Named in honor of Erich Schumann and his Chilean team, who, for almost three decades and with great dedication, have secured the accommodation and catering of thousands of staff members and visitors to the European Southern Observatory at the "Hotel La Silla" in Chile.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1984 ET1 = 1948 RG = 1954 WE = 1976 UG3 = 1978 EZ1 = 1981 QH3 = 1981 RG3 = A921 WE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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