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344257 (2001 SL290)
Classification: Main-belt Asteroid          SPK-ID: 2344257
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2827973656597217 9.913e-08  
a 2.426292946994157 1.2648e-08 au
q 1.740143693265447 2.448e-07 au
i 10.01764628376425 1.131e-05 deg
node 309.3474241389371 3.6992e-05 deg
peri 68.85700934795426 4.4013e-05 deg
M 335.0734708500353 2.1422e-05 deg
tp 2459096.081224477163
(2020-Sep-03.58122448)
8.2562e-05 TDB
period 1380.426476737434
3.78
1.0794e-05
2.955e-08
d
yr
n .2607889707033447 2.0392e-09 deg/d
Q 3.112442200722868 1.6225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6084 days (16.66 yr)  
   first obs. used      2001-07-22  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64758  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:13:15  

Additional Information
 Earth MOID = .770505 au 
 Jupiter MOID = 2.46839 au 
 T_jup = 3.435 
[ 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 17.1   n/a MPO434165  
diameter diameter 2.420 km 0.582 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344257 (2001 SL290)          Discovered 2001-Sep-29 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2001 SL290 = 2009 YF18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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