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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07656858992097736 5.6756e-08  
a 2.268431099629553 1.5759e-08 AU
q 2.094740528998026 1.3135e-07 AU
i 3.207976090490378 7.4194e-06 deg
node 195.6538255691294 0.00010362 deg
peri 122.303893015869 0.00011729 deg
M 257.8581163243141 5.7317e-05 deg
tp 2457154.569223009774
(2015-May-12.06922301)
0.00020039 JED
period 1247.920203706412
3.42
1.3004e-05
3.56e-08
d
yr
n .2884799836806667 3.0062e-09 deg/d
Q 2.44212167026108 1.6966e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53511  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:23:36  

Additional Information
 Earth MOID = 1.08261 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 14.4 mag n/a PDS3 (MPO 13893)  

26116 (1991 RW17)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
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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