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26288 (1998 SA73)
Classification: Main-belt Asteroid          SPK-ID: 2026288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177939154210581 3.5621e-08  
a 2.277417086588427 6.7224e-09 au
q 1.872175416416157 8.0792e-08 au
i 6.92633084037625 3.951e-06 deg
node 33.62226971051568 3.288e-05 deg
peri 354.0296301528312 3.4801e-05 deg
M 102.9851885762964 1.1762e-05 deg
tp 2458641.384164031332
(2019-Jun-06.88416403)
4.056e-05 TDB
period 1255.342663697142
3.44
5.5582e-06
1.522e-08
d
yr
n .2867742891329405 1.2697e-09 deg/d
Q 2.682658756760698 7.9186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1479  
   data-arc span      10496 days (28.74 yr)  
   first obs. used      1991-09-14  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:47  

Additional Information
 Earth MOID = .877156 au 
 Jupiter MOID = 2.76416 au 
 T_jup = 3.577 
[ 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 14.8   n/a MPO347719  
diameter diameter 2.856 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.227   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26288 (1998 SA73)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SA73 = 1991 RK20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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