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26092 Norikonoriyuki (1987 SF)
Classification: Main-belt Asteroid          SPK-ID: 2026092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2321225875034858 4.4257e-08  
a 2.326055214851863 6.6018e-09 au
q 1.786125259704472 1.0307e-07 au
i 4.741765614215066 3.4589e-06 deg
node 139.5415639266867 5.0823e-05 deg
peri 243.6201790533096 5.1384e-05 deg
M 117.2971485432229 6.1352e-06 deg
tp 2458778.304684562495
(2019-Oct-21.80468456)
2.2339e-05 TDB
period 1295.771597563557
3.55
5.5165e-06
1.51e-08
d
yr
n .2778267409757313 1.1828e-09 deg/d
Q 2.865985169999254 8.1342e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      12178 days (33.34 yr)  
   first obs. used      1987-09-22  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:37  

Additional Information
 Earth MOID = .794 au 
 Jupiter MOID = 2.60029 au 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.96   n/a E2020-QM5  
diameter diameter 3.108 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26092 Norikonoriyuki           Discovered 1987 Sept. 16 by T. Seki at Geisei.
Noriko Shimizu (b. 1974) is a daughter of the discoverer. She and her husband, Noriyuki Shimizu (b. 1966), regularly participate in public viewing nights at Geisei Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2020-08-07Last Updated: 2020-08-24

[ show close-approach data ]
Alternate Designations
 1987 SF = 1998 YJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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