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JPL Small-Body Database Browser
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66628 (1999 RF208)
Classification: Main-belt Asteroid          SPK-ID: 2066628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2357114747548079 3.7172e-08  
a 2.615751781551379 1.7106e-08 au
q 1.999189071529387 1.0088e-07 au
i 15.70914597202674 8.7709e-06 deg
node 219.7907057388522 1.584e-05 deg
peri 85.39112034533663 2.881e-05 deg
M 1.737368506186971 2.6518e-05 deg
tp 2458993.042681957560
(2020-May-23.54268196)
0.00011377 TDB
period 1545.230321441981
4.23
1.5158e-05
4.15e-08
d
yr
n .2329749779075359 2.2853e-09 deg/d
Q 3.232314491573371 2.1138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7700 days (21.08 yr)  
   first obs. used      1998-04-01  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:22:39  

Additional Information
 Earth MOID = 1.05721 au 
 Jupiter MOID = 2.22191 au 
 T_jup = 3.316 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO474545  

66628 (1999 RF208)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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