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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795210917281031 5.0818e-08  
a 2.670140784346665 2.357e-08 AU
q 2.190794195673019 1.4018e-07 AU
i 1.894628383035549 7.4257e-06 deg
node 10.5052974217818 0.00017141 deg
peri 76.90035290864309 0.00017318 deg
M 4.197806597685977 2.86e-05 deg
tp 2456981.916838877431
(2014-Nov-20.41683888)
0.00012644 JED
period 1593.674660431592
4.36
2.1101e-05
5.777e-08
d
yr
n .2258930313308152 2.991e-09 deg/d
Q 3.149487373020313 2.7801e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      12399 days (33.95 yr)  
   first obs. used      1979-12-24  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51887  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:16:30  

Additional Information
 Earth MOID = 1.20778 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 (809)
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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