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369986 (1998 SO)
Classification: Aten [NEO]          SPK-ID: 2369986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6985946925253258 3.1197e-07  
a .7315142650267149 1.6157e-09 au
q .2204822819724873 2.2804e-07 au
i 30.34295339432334 4.6561e-05 deg
node 176.1446326972697 7.5761e-06 deg
peri 359.8527849045748 2.0121e-05 deg
M 31.87661173745748 7.9029e-05 deg
tp 2459180.265043357491
(2020-Nov-26.76504336)
5.0144e-05 TDB
period 228.5244257231803
0.63
7.571e-07
2.073e-09
d
yr
n 1.575323945616565 5.219e-09 deg/d
Q 1.242546248080943 2.7443e-09 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      7321 days (20.04 yr)  
   first obs. used      1998-09-16  
   last obs. used      2018-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-25 06:47:37  

Additional Information
 Earth MOID = .198252 au 
 Jupiter MOID = 3.71958 au 
 T_jup = 7.576 
[ 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 20.6   n/a MPO268534  

369986 (1998 SO)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-09-23

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