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146559 (2001 SH345)
Classification: Main-belt Asteroid          SPK-ID: 2146559
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 .1993522064846787 3.9483e-08  
a 2.711453453881468 1.8297e-08 au
q 2.170919225069694 1.0704e-07 au
i 15.42473553569432 4.977e-06 deg
node 75.75018921539541 1.6949e-05 deg
peri 233.2231054976248 2.1134e-05 deg
M 117.0873575419352 1.2921e-05 deg
tp 2458470.093104745356
(2018-Dec-17.59310475)
5.629e-05 TDB
period 1630.803583753984
4.46
1.6507e-05
4.519e-08
d
yr
n .2207500667684994 2.2345e-09 deg/d
Q 3.251987682693242 2.1945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7484 days (20.49 yr)  
   first obs. used      2000-04-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:26:51  

Additional Information
 Earth MOID = 1.19199 au 
 Jupiter MOID = 2.06857 au 
 T_jup = 3.283 
[ show covariance matrix ]

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 MPO439880  

146559 (2001 SH345)          Discovered 2001-Sep-23 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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