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74276 (1998 SZ118)
Classification: Main-belt Asteroid          SPK-ID: 2074276
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836826199290894 3.8488e-08  
a 2.759844902082338 1.5737e-08 au
q 2.252909359869914 1.0649e-07 au
i 5.761209912517164 4.5693e-06 deg
node 13.76041088527311 4.2307e-05 deg
peri 8.017192779452801 4.4076e-05 deg
M 256.7191785677729 1.4331e-05 deg
tp 2459480.943833800921
(2021-Sep-23.44383380)
6.9193e-05 TDB
period 1674.65535004316
4.58
1.4323e-05
3.921e-08
d
yr
n .2149696055315034 1.8386e-09 deg/d
Q 3.266780444294763 1.8627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:23  

Additional Information
 Earth MOID = 1.25598 au 
 Jupiter MOID = 2.19782 au 
 T_jup = 3.310 
[ 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 15.0   n/a MPO385284  

74276 (1998 SZ118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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