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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413182872742713 5.0109e-08  
a 2.37992518453893 1.3099e-08 au
q 1.805605715165091 1.1998e-07 au
i 1.127956512079608 4.6228e-06 deg
node 234.8546809900913 0.00025215 deg
peri 113.4788893431937 0.00025238 deg
M 338.3420821229889 1.7828e-05 deg
tp 2459081.178457419389
(2020-Aug-19.67845742)
6.6923e-05 TDB
period 1341.045101191794
3.67
1.1071e-05
3.031e-08
d
yr
n .2684473472816582 2.2162e-09 deg/d
Q 2.954244653912768 1.626e-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 = .7995 au 
 Jupiter MOID = 2.47698 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456432.5 (2013-May-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396955766252271 4.9809e-08  
q 1.809472279750587 1.1908e-07 au
tp 2456399.344802179915
(2013-Apr-16.84480218)
5.3151e-05 TDB
node 235.1118827128739 0.0002519 deg
peri 113.292873691181 0.00025214 deg
i 1.128068425898835 4.6235e-06 deg
  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
 Jupiter MOID = 2.47698 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.480918174579711E-15 -5.911114253832509E-15 6.508611366661327E-13 -6.80665607455675E-15 1.18173894034245E-13 3.943265640985181E-16
q -5.911114253832509E-15 1.417901489834512E-14 -1.257730761573773E-12 1.972511644358174E-14 -2.221781870616687E-13 -9.38422715770092E-16
tp 6.508611366661327E-13 -1.257730761573773E-12 2.825019722946794E-9 1.197660081807769E-11 6.148676048021654E-10 -3.417744314827894E-13
node -6.80665607455675E-15 1.972511644358174E-14 1.197660081807769E-11 6.345265637521499E-8 -6.343696760187189E-8 -2.031605721694252E-10
peri 1.18173894034245E-13 -2.221781870616687E-13 6.148676048021654E-10 -6.343696760187189E-8 6.357251675013366E-8 2.030479197403225E-10
i 3.943265640985181E-16 -9.38422715770092E-16 -3.417744314827894E-13 -2.031605721694252E-10 2.030479197403225E-10 2.137638593829315E-11

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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