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66475 (1999 RH26)
Classification: Main-belt Asteroid          SPK-ID: 2066475
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388562438217954 2.6692e-08  
a 2.582676933589747 8.7148e-09 au
q 2.224056115586283 6.8726e-08 au
i 15.32457231484041 3.1149e-06 deg
node 166.7026247799203 1.4172e-05 deg
peri 133.3846536561275 2.0384e-05 deg
M 91.55494176869946 1.472e-05 deg
tp 2458814.948104569552
(2019-Nov-27.44810457)
6.1519e-05 TDB
period 1516.015189061189
4.15
7.6733e-06
2.101e-08
d
yr
n .2374646392711502 1.2019e-09 deg/d
Q 2.941297751593212 9.9249e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      8354 days (22.87 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:31  

Additional Information
 Earth MOID = 1.23501 au 
 Jupiter MOID = 2.45729 au 
 T_jup = 3.360 
[ 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 14.69   n/a E2021B10  
diameter diameter 3.803 km 1.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66475 (1999 RH26)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RH26 = 1998 HV114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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