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66642 (1999 RE226)
Classification: Main-belt Asteroid          SPK-ID: 2066642
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593807513161993 3.4495e-08  
a 2.646644360875586 1.5934e-08 au
q 2.224820194172453 9.1724e-08 au
i 10.5633121134626 5.9866e-06 deg
node 301.4679922311072 2.2265e-05 deg
peri 306.5191730888412 3.008e-05 deg
M 54.84927006274257 2.1791e-05 deg
tp 2458960.887119689098
(2020-Apr-21.38711969)
9.4442e-05 TDB
period 1572.685230145275
4.31
1.4202e-05
3.888e-08
d
yr
n .2289078533323197 2.0672e-09 deg/d
Q 3.068468527578719 1.8473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      8168 days (22.36 yr)  
   first obs. used      1998-03-31  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:56  

Additional Information
 Earth MOID = 1.22722 au 
 Jupiter MOID = 2.08199 au 
 T_jup = 3.350 
[ 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 15.26   n/a E2021B10  
diameter diameter 5.225 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66642 (1999 RE226)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RE226 = 1998 FK102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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