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74262 (1998 SO87)
Classification: Main-belt Asteroid          SPK-ID: 2074262
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102164261837268 4.5733e-08  
a 2.785475156658799 1.7065e-08 au
q 2.47847003966831 1.2919e-07 au
i 2.6144956991485 4.3221e-06 deg
node 273.8597591175693 0.00011596 deg
peri 75.09277535992183 0.00011829 deg
M 252.4158796723167 2.6088e-05 deg
tp 2459507.949738856211
(2021-Oct-20.44973886)
0.00012524 TDB
period 1698.037827811554
4.65
1.5604e-05
4.272e-08
d
yr
n .2120094111589794 1.9483e-09 deg/d
Q 3.092480273649289 1.8946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7896 days (21.62 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:03:57  

Additional Information
 Earth MOID = 1.47357 au 
 Jupiter MOID = 2.30395 au 
 T_jup = 3.321 
[ 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 MPO280224  

74262 (1998 SO87)          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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