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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07601214073733217 3.6107e-08  
a 2.268695456655533 7.1007e-09 au
q 2.096247058314086 8.1544e-08 au
i 3.208656452858539 4.3774e-06 deg
node 195.6221269265107 5.5754e-05 deg
peri 122.35047034 6.1337e-05 deg
M 229.9691985785744 2.5826e-05 deg
tp 2459651.323417966311
(2022-Mar-12.82341797)
8.9937e-05 TDB
period 1248.138354095616
3.42
5.8598e-06
1.604e-08
d
yr
n .2884295629716877 1.3541e-09 deg/d
Q 2.441143854996979 7.6405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1570  
   data-arc span      10693 days (29.28 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:45  

Additional Information
 Earth MOID = 1.08318 au 
 Jupiter MOID = 2.73435 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 14.58   n/a E2020-QM5  
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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