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JPL Small-Body Database Browser
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11516 Arthurpage (1991 ED)
Classification: Main-belt Asteroid          SPK-ID: 2011516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082165413084146 3.3044e-08  
a 2.289423770610022 9.4066e-09 au
q 2.041670248565336 7.9453e-08 au
i 7.297292762692305 4.9273e-06 deg
node 35.04151631844084 2.6887e-05 deg
peri 242.2647324790162 3.7645e-05 deg
M 56.22933561842068 2.5646e-05 deg
tp 2458802.872143727424
(2019-Nov-15.37214373)
9.0321e-05 TDB
period 1265.283103128467
3.46
7.7981e-06
2.135e-08
d
yr
n .284521305239819 1.7535e-09 deg/d
Q 2.537177292654707 1.0425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      13885 days (38.02 yr)  
   first obs. used      1981-05-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:55:59  

Additional Information
 Earth MOID = 1.03764 au 
 Jupiter MOID = 2.56136 au 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO473922  

11516 Arthurpage           Discovered 1991 Mar. 6 by T. Seki at Geisei.
Arthur Page (b. 1922) is an Australian astronomer who has made a significant contribution to the study of flare stars. He also founded the Astronomical Association of Queensland to promote amateur astronomy. The name was suggested by E. Kato.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1991 ED = 1981 JO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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