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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0759009353693922 3.6182e-08  
a 2.268986338474913 7.1028e-09 au
q 2.096768153044295 8.1753e-08 au
i 3.20831777642555 4.4063e-06 deg
node 195.6279514163951 5.5793e-05 deg
peri 122.2624687804642 6.1449e-05 deg
M 172.3793262450063 2.5923e-05 deg
tp 2458402.737142157656
(2018-Oct-11.23714216)
8.9485e-05 TDB
period 1248.378407729609
3.42
5.8618e-06
1.605e-08
d
yr
n .2883741001694527 1.3541e-09 deg/d
Q 2.441204523905532 7.6419e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1537  
   data-arc span      10365 days (28.38 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:38:51  

Additional Information
 Earth MOID = 1.08566 au 
 Jupiter MOID = 2.73488 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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