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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06150697341668828 4.9954e-08  
a 2.760136623799361 1.9459e-08 au
q 2.590368973852906 1.4436e-07 au
i 4.463015798185524 5.5373e-06 deg
node 206.7148017331997 5.5933e-05 deg
peri 189.9029811265837 6.7435e-05 deg
M 89.34455681748794 3.8257e-05 deg
tp 2458980.819267614083
(2020-May-11.31926761)
0.00017702 TDB
period 1674.920879227411
4.59
1.7713e-05
4.85e-08
d
yr
n .2149355258894717 2.273e-09 deg/d
Q 2.929904273745816 2.0656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:59  

Additional Information
 Earth MOID = 1.59639 au 
 Jupiter MOID = 2.34505 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 16.57   n/a MPCxxxxx  
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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