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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795210978721327 5.0168e-08  
a 2.67014077232761 1.7017e-08 AU
q 2.190794169406213 1.3576e-07 AU
i 1.894628331000234 6.5023e-06 deg
node 10.5053236434521 0.00017046 deg
peri 76.90031581598652 0.00017143 deg
M 4.197821690829731 1.9889e-05 deg
tp 2456981.916772187457
(2014-Nov-20.41677219)
8.7987e-05 JED
period 1593.674649671225
4.36
1.5235e-05
4.171e-08
d
yr
n .2258930328560274 2.1594e-09 deg/d
Q 3.149487375249007 2.0072e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      12873 days (35.24 yr)  
   first obs. used      1979-12-24  
   last obs. used      2015-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49389  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:31:58  

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
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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