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243976 (2001 RD26)
Classification: Main-belt Asteroid          SPK-ID: 2243976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09875457355834981 5.0154e-08  
a 2.965882894337025 2.9094e-08 au
q 2.672988393882767 1.4853e-07 au
i 10.05763381123456 6.436e-06 deg
node 354.3809945034564 3.4603e-05 deg
peri 299.936763690297 4.9524e-05 deg
M 202.0970540955658 3.6337e-05 deg
tp 2459418.808679168820
(2021-Jul-23.30867917)
0.00019281 TDB
period 1865.646792169838
5.11
2.7452e-05
7.516e-08
d
yr
n .1929625701450715 2.8393e-09 deg/d
Q 3.258777394791281 3.1967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      9983 days (27.33 yr)  
   first obs. used      1991-10-06  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:54:58  

Additional Information
 Earth MOID = 1.67435 au 
 Jupiter MOID = 2.0315 au 
 T_jup = 3.234 
[ 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 15.5   n/a MPO433598  
diameter diameter 3.047 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243976 (2001 RD26)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2001 RD26 = 2004 CG60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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