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146513 (2001 SA98)
Classification: Main-belt Asteroid          SPK-ID: 2146513
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06458443534527332 3.9624e-08  
a 2.738348867229833 1.8375e-08 au
q 2.561494151861425 1.1286e-07 au
i 4.091792909622838 4.7762e-06 deg
node 247.3761038234746 6.0432e-05 deg
peri 102.7177519132222 7.265e-05 deg
M 56.15200588367583 3.8409e-05 deg
tp 2458742.336781912932
(2019-Sep-15.83678191)
0.00017698 TDB
period 1655.128023456116
4.53
1.6659e-05
4.561e-08
d
yr
n .2175058333241646 2.1892e-09 deg/d
Q 2.91520358259824 1.9561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      9789 days (26.80 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:27:08  

Additional Information
 Earth MOID = 1.5592 au 
 Jupiter MOID = 2.36113 au 
 T_jup = 3.344 
[ 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 15.9   n/a MPO493833  
diameter diameter 3.036 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146513 (2001 SA98)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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