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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07660328837538534 4.9008e-08  
a 2.268728163014238 1.2281e-08 AU
q 2.0949361252975 1.127e-07 AU
i 3.207806482960967 6.6972e-06 deg
node 195.6503516004797 8.8092e-05 deg
peri 122.2139981182937 9.9736e-05 deg
M 315.6427406998158 4.7019e-05 deg
tp 2457154.292205115093
(2015-May-11.79220512)
0.00016337 JED
period 1248.165344633986
3.42
1.0135e-05
2.775e-08
d
yr
n .2884233259220692 2.3419e-09 deg/d
Q 2.442520200730976 1.3222e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      8735 days (23.92 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:07:45  

Additional Information
 Earth MOID = 1.0847 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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