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118286 (1998 RR66)
Classification: Main-belt Asteroid          SPK-ID: 2118286
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853098795653008 3.4534e-08  
a 2.242406556381793 1.0315e-08 au
q 1.826866467482242 7.4828e-08 au
i 5.256813495017346 4.7675e-06 deg
node 338.2598798628259 3.9174e-05 deg
peri 300.6752987754543 4.1969e-05 deg
M 231.3335078218171 1.5738e-05 deg
tp 2459438.862019395233
(2021-Aug-12.36201939)
5.4167e-05 TDB
period 1226.506795287005
3.36
8.4627e-06
2.317e-08
d
yr
n .2935165148561278 2.0252e-09 deg/d
Q 2.657946645281344 1.2226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      7888 days (21.60 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:19:13  

Additional Information
 Earth MOID = .81737 au 
 Jupiter MOID = 2.49602 au 
 T_jup = 3.605 
[ 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 15.8   n/a MPO359567  

118286 (1998 RR66)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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