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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802504198181601 4.8538e-08  
a 2.669201179546708 1.5752e-08 au
q 2.188076546354286 1.3021e-07 au
i 1.894569088257447 6.1504e-06 deg
node 10.49298003101961 0.00015991 deg
peri 76.64054933813907 0.00016079 deg
M 139.9493484620263 1.8632e-05 deg
tp 2456981.288848295597
(2014-Nov-19.78884830)
8.0281e-05 JED
period 1592.833529154091
4.36
1.41e-05
3.86e-08
d
yr
n .2260123191851605 2.0006e-09 deg/d
Q 3.15032581273913 1.8591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      13259 days (36.30 yr)  
   first obs. used      1979-12-24  
   last obs. used      2016-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49373  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:02:30  

Additional Information
 Earth MOID = 1.2037 au 
 Jupiter MOID = 2.07338 au 
 T_jup = 3.358 
[ 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 13.7 mag n/a MPO365351  

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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