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26305 (1998 SH146)
Classification: Main-belt Asteroid          SPK-ID: 2026305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885847351572352 3.4273e-08  
a 2.270353541724714 9.1731e-09 au
q 1.842199520345268 7.8062e-08 au
i 6.714589558749338 4.9112e-06 deg
node 198.9083785854425 2.9005e-05 deg
peri 115.6904341939532 3.1886e-05 deg
M 53.33371852143802 1.2131e-05 deg
tp 2458415.386527606549
(2018-Oct-23.88652761)
4.2029e-05 TDB
period 1249.506914370789
3.42
7.5727e-06
2.073e-08
d
yr
n .2881136517610102 1.7461e-09 deg/d
Q 2.69850756310416 1.0903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      9974 days (27.31 yr)  
   first obs. used      1991-09-14  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:07  

Additional Information
 Earth MOID = .840125 au 
 Jupiter MOID = 2.61477 au 
 T_jup = 3.580 
[ 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 15.3   n/a MPO358875  
diameter diameter 2.724 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26305 (1998 SH146)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SH146 = 1991 RL36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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