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21726 Rezvanian (1999 RB134)
Classification: Main-belt Asteroid          SPK-ID: 2021726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073016574552489 3.145e-08  
a 2.370694840245574 9.4739e-09 au
q 2.116315354566618 7.2742e-08 au
i 5.764390739979528 3.889e-06 deg
node 243.843972449742 3.6448e-05 deg
peri 228.0901595080956 4.2296e-05 deg
M 230.6853586627926 2.3192e-05 deg
tp 2459875.413530831997
(2022-Oct-22.91353083)
8.736e-05 TDB
period 1333.250970784792
3.65
7.992e-06
2.188e-08
d
yr
n .2700166794464009 1.6186e-09 deg/d
Q 2.625074325924531 1.0491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      9947 days (27.23 yr)  
   first obs. used      1994-04-10  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:04:16  

Additional Information
 Earth MOID = 1.13828 au 
 Jupiter MOID = 2.48809 au 
 T_jup = 3.530 
[ 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 14.70   n/a E2021B10  
diameter diameter 3.980 km 0.221 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21726 Rezvanian           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jason Hamid Rezvanian (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for his computer science team project. He attends the duPont Manual Magnet High School, Louisville, Kentucky, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

Alternate Designations
 1999 RB134 = 1998 KP21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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