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90794 (1994 RK26)
Classification: Main-belt Asteroid          SPK-ID: 2090794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066258531343807 4.7797e-08  
a 2.969333943047668 2.1802e-08 au
q 2.652726178129336 1.4456e-07 au
i 10.15072008079614 5.9678e-06 deg
node 324.1634686950625 2.1475e-05 deg
peri 142.6134521251319 3.0794e-05 deg
M 255.4059424682266 2.3223e-05 deg
tp 2459543.489587211454
(2021-Nov-24.98958721)
0.00012291 TDB
period 1868.903989471314
5.12
2.0583e-05
5.635e-08
d
yr
n .1926262676028846 2.1215e-09 deg/d
Q 3.285941707966 2.4127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      9463 days (25.91 yr)  
   first obs. used      1994-09-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:20  

Additional Information
 Earth MOID = 1.67725 au 
 Jupiter MOID = 1.82186 au 
 T_jup = 3.231 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO436407  
diameter diameter 4.586 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90794 (1994 RK26)          Discovered 1994-Sep-05 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1994 RK26 = 2002 ET126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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