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66476 (1999 RM26)
Classification: Main-belt Asteroid          SPK-ID: 2066476
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03205434996938979 6.1535e-08  
a 2.723446578961882 1.7876e-08 au
q 2.6361482691969 1.7311e-07 au
i 4.840390672802136 4.6484e-06 deg
node 138.1457639169907 5.9179e-05 deg
peri 57.13200381183935 8.9102e-05 deg
M 26.26832441884991 6.9853e-05 deg
tp 2458880.713854942335
(2020-Feb-01.21385494)
0.00031803 TDB
period 1641.635436397112
4.49
1.6163e-05
4.425e-08
d
yr
n .219293511834814 2.1591e-09 deg/d
Q 2.810744888726863 1.8449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      7449 days (20.39 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:57:48  

Additional Information
 Earth MOID = 1.63868 au 
 Jupiter MOID = 2.15079 au 
 T_jup = 3.352 
[ 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 14.7   n/a MPO337767  
diameter diameter 3.226 km 0.904 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66476 (1999 RM26)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RM26 = 2000 YL38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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