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146553 (2001 SX304)
Classification: Main-belt Asteroid          SPK-ID: 2146553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06095927814793607 5.2422e-08  
a 2.759103679518188 2.0245e-08 au
q 2.590910710879444 1.5224e-07 au
i 4.463729202408961 5.6721e-06 deg
node 206.731430181265 5.6206e-05 deg
peri 189.5766618147375 6.8074e-05 deg
M 278.484941470878 3.8839e-05 deg
tp 2458979.540661565240
(2020-May-10.04066157)
0.00018159 TDB
period 1673.98074203353
4.58
1.8424e-05
5.044e-08
d
yr
n .2150562374825631 2.367e-09 deg/d
Q 2.92729664815693 2.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6595 days (18.06 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:20  

Additional Information
 Earth MOID = 1.59685 au 
 Jupiter MOID = 2.34859 au 
 T_jup = 3.335 
[ 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 16.5   n/a MPO449800  
diameter diameter 2.839 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146553 (2001 SX304)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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