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66566 (1999 RL139)
Classification: Main-belt Asteroid          SPK-ID: 2066566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07243819598578682 3.2743e-08  
a 2.358233721617421 8.6497e-09 au
q 2.187407525110606 7.861e-08 au
i 6.980001174246247 3.7286e-06 deg
node 336.107253320191 2.7816e-05 deg
peri 43.17900070121357 3.8447e-05 deg
M 277.5478657812353 2.7915e-05 deg
tp 2459503.454979798177
(2021-Oct-15.95497980)
0.00010324 TDB
period 1322.752816051701
3.62
7.2775e-06
1.992e-08
d
yr
n .2721596927493739 1.4974e-09 deg/d
Q 2.529059918124235 9.2763e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      8172 days (22.37 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:22  

Additional Information
 Earth MOID = 1.19194 au 
 Jupiter MOID = 2.76903 au 
 T_jup = 3.539 
[ 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 14.73   n/a MPCxxxxx  
diameter diameter 3.099 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66566 (1999 RL139)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL139 = 1998 FG119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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