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26294 (1998 SF111)
Classification: Main-belt Asteroid          SPK-ID: 2026294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417705233635971 5.0031e-08  
a 2.379077591226503 1.2713e-08 au
q 1.803886756873065 1.1987e-07 au
i 1.128340105865802 4.6253e-06 deg
node 234.8704615683855 0.00025202 deg
peri 113.5993232669618 0.00025225 deg
M 230.8490354556192 1.7194e-05 deg
tp 2459081.346533623814
(2020-Aug-19.84653362)
6.6891e-05 TDB
period 1340.328759566391
3.67
1.0744e-05
2.942e-08
d
yr
n .2685908195512147 2.1529e-09 deg/d
Q 2.95426842557994 1.5787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8056 days (22.06 yr)  
   first obs. used      1997-04-11  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:21  

Additional Information
 Earth MOID = .796904 au 
 Jupiter MOID = 2.47381 au 
 T_jup = 3.499 
[ 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 15.6   n/a MPO233669  
diameter diameter 1.729 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.373   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26294 (1998 SF111)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SF111 = 2000 AC222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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