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26116 (1991 RW17)
Classification: Main-belt Asteroid          SPK-ID: 2026116
[ 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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07576284418368545 3.6932e-08  
a 2.268749221814724 7.1943e-09 au
q 2.096862328030517 8.3707e-08 au
i 3.208553975585626 4.6227e-06 deg
node 195.6381612333735 5.6032e-05 deg
peri 122.1071027465117 6.2129e-05 deg
M 57.19096239131345 2.6676e-05 deg
tp 2458402.208968934114
(2018-Oct-10.70896893)		 9.2409e-05 TDB
period 1248.182723264703
3.42		 5.937e-06
1.625e-08		 d
yr
n .2884193101618941 1.3719e-09 deg/d
Q 2.440636115598931 7.7393e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1456  
   data-arc span      10275 days (28.13 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:23  

Additional Information
 Earth MOID = 1.08489 au 
 Jupiter MOID = 2.73452 au 
 T_jup = 3.608 
[ 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 14.5   n/a MPO449152  
diameter diameter 3.120 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26116 (1991 RW17)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RW17 = 1998 SC22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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