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26657 (2000 SX293)
Classification: Main-belt Asteroid          SPK-ID: 2026657
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2655901034693106 2.7698e-08  
a 2.598099142514108 1.3194e-08 au
q 1.908069722430259 7.4477e-08 au
i 10.58704603376993 9.0388e-07 deg
node 6.720713531237222 4.6664e-06 deg
peri 272.1843026005983 6.5347e-06 deg
M 32.83479343236633 3.203e-06 deg
tp 2459060.987283885500
(2020-Jul-30.48728389)
1.2905e-05 TDB
period 1529.614550634324
4.19
1.1652e-05
3.19e-08
d
yr
n .2353534096878914 1.7928e-09 deg/d
Q 3.288128562597957 1.6698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      24108 days (66.00 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:24:19  

Additional Information
 Earth MOID = .926106 au 
 Jupiter MOID = 2.01243 au 
 T_jup = 3.342 
[ 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 13.85   n/a E2021B10  
diameter diameter 6.983 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.3 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Shevchenko, V.G.; Velichko, F.P.; Checha, V.A.; Krugly, Y.N. (2014) Minor Planet Bull. 41, 195-198.]
geometric albedo albedo 0.144   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26657 (2000 SX293)          Discovered 2000-Sep-27 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SX293 = 1986 EA4 = 1987 SO28 = 1991 RF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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