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8480 (1987 RD1)
Classification: Main-belt Asteroid          SPK-ID: 2008480
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801160328136735 4.9844e-08  
a 2.670025375834957 1.7145e-08 au
q 2.189110997627727 1.3487e-07 au
i 1.894756647936892 6.4449e-06 deg
node 10.49621265969829 0.00016981 deg
peri 76.73439438195484 0.00017077 deg
M 94.65080703468182 1.9848e-05 deg
tp 2456981.519963013956
(2014-Nov-20.01996301)
8.6458e-05 JED
period 1593.571339119253
4.36
1.5349e-05
4.202e-08
d
yr
n .2259076774052471 2.1759e-09 deg/d
Q 3.150939754042187 2.0233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      12937 days (35.42 yr)  
   first obs. used      1979-12-24  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49311  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:01:51  

Additional Information
 Earth MOID = 1.2059 au 
 Jupiter MOID = 2.07371 au 
 T_jup = 3.357 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO263425  

8480 (1987 RD1)          Discovered 1987-Sep-13 by Debehogne, H. at La Silla
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 RD1 = 1979 YL3 = 1989 BS 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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