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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07663150455892256 4.7088e-08  
a 2.268390385130846 9.596e-09 au
q 2.094560216991276 1.0619e-07 au
i 3.208285642665517 6.5344e-06 deg
node 195.6459698299467 6.6725e-05 deg
peri 121.976744386221 7.8389e-05 deg
M 128.9296464566144 3.987e-05 deg
tp 2457153.584502696340
(2015-May-11.08450270)
0.00013837 JED
period 1247.886606774013
3.42
7.9185e-06
2.168e-08
d
yr
n .2884877504460583 1.8306e-09 deg/d
Q 2.442220553270417 1.0331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      8923 days (24.43 yr)  
   first obs. used      1991-09-13  
   last obs. used      2016-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53985  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:52:15  

Additional Information
 Earth MOID = 1.0829 au 
 Jupiter MOID = 2.73022 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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