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26116 (1991 RW17)
Classification: Main-belt Asteroid          SPK-ID: 2026116
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07661774224704646 4.736e-08  
a 2.26866130255616 9.6893e-09 au
q 2.094841595631063 1.0694e-07 au
i 3.208191801938663 6.5732e-06 deg
node 195.6441271664522 6.8148e-05 deg
peri 122.0726410202502 7.9654e-05 deg
M 71.14097913087097 3.9951e-05 deg
tp 2457153.856168088138
(2015-May-11.35616809)
0.0001386 JED
period 1248.110169033924
3.42
7.9959e-06
2.189e-08
d
yr
n .2884360763430452 1.8478e-09 deg/d
Q 2.442481009481257 1.0432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53433  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:59:59  

Additional Information
 Earth MOID = 1.08176 au 
 Jupiter MOID = 2.72915 au 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO328989  

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 | Physical Parameters | Discovery Circumstances ]
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