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66542 (1999 RT118)
Classification: Main-belt Asteroid          SPK-ID: 2066542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754415496114113 3.43e-08  
a 2.686015047985628 1.4541e-08 au
q 2.21477640568746 9.3178e-08 au
i 12.36809963672282 5.2119e-06 deg
node 175.033902062918 1.6991e-05 deg
peri 135.0094077930575 2.2887e-05 deg
M 313.0117619388072 1.7061e-05 deg
tp 2459410.368736848603
(2021-Jul-14.86873685)
7.6842e-05 TDB
period 1607.907603751918
4.40
1.3057e-05
3.575e-08
d
yr
n .2238934620123508 1.8181e-09 deg/d
Q 3.157253690283795 1.7092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      13682 days (37.46 yr)  
   first obs. used      1982-12-09  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:06  

Additional Information
 Earth MOID = 1.21823 au 
 Jupiter MOID = 2.25134 au 
 T_jup = 3.319 
[ 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 14.83   n/a MPCxxxxx  

66542 (1999 RT118)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT118 = 1998 FQ135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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