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JPL Small-Body Database Browser
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35665 (1998 RF18)
Classification: Main-belt Asteroid          SPK-ID: 2035665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131883747797689 3.1513e-08  
a 2.303193711723081 7.9034e-09 au
q 1.999439893116971 7.2077e-08 au
i 2.495724998475565 4.2435e-06 deg
node 301.8108282882567 9.6576e-05 deg
peri 317.4779182556479 9.8241e-05 deg
M 144.069320638844 1.8447e-05 deg
tp 2458489.567964830857
(2019-Jan-06.06796483)
6.4981e-05 TDB
period 1276.71548560977
3.50
6.5715e-06
1.799e-08
d
yr
n .2819735517095737 1.4514e-09 deg/d
Q 2.606947530329191 8.9457e-09 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      11857 days (32.46 yr)  
   first obs. used      1987-05-30  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 02:49:46  

Additional Information
 Earth MOID = .984982 au 
 Jupiter MOID = 2.44885 au 
 T_jup = 3.577 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO279883  

35665 (1998 RF18)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RF18 = 1987 KB2 = 2001 KN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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