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74273 (1998 SL113)
Classification: Main-belt Asteroid          SPK-ID: 2074273
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104668122030836 5.6949e-08  
a 2.744428391918411 2.0857e-08 au
q 2.441260136143549 1.6166e-07 au
i 5.935545583526536 5.2385e-06 deg
node 124.2668327018704 5.4883e-05 deg
peri 236.3646097059582 5.9266e-05 deg
M 284.3759333706564 2.2326e-05 deg
tp 2459349.346049352571
(2021-May-14.84604935)
0.00010414 TDB
period 1660.643011733996
4.55
1.8931e-05
5.183e-08
d
yr
n .216783497390025 2.4713e-09 deg/d
Q 3.047596647693273 2.3161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1996-03-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:23  

Additional Information
 Earth MOID = 1.44352 au 
 Jupiter MOID = 2.39214 au 
 T_jup = 3.332 
[ 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 15.7   n/a MPO432295  
diameter diameter 4.334 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74273 (1998 SL113)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SL113 = 2002 NQ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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