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523928 (1998 DA26)
Classification: Main-belt Asteroid          SPK-ID: 2523928
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07847890614213812 7.711e-08  
a 3.059899712843062 3.9624e-08 au
q 2.819762130474496 2.3173e-07 au
i 2.545465474998047 5.6788e-06 deg
node 92.42446731062435 0.00016717 deg
peri 295.3660808566664 0.00017063 deg
M 177.559119887581 3.4709e-05 deg
tp 2458036.227682637218
(2017-Oct-09.72768264)
0.00018598 TDB
period 1955.0560651032
5.35
3.7976e-05
1.04e-07
d
yr
n .1841379418349299 3.5767e-09 deg/d
Q 3.300037295211627 4.2734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:41:11  

Additional Information
 Earth MOID = 1.82554 au 
 Jupiter MOID = 2.08733 au 
 T_jup = 3.228 
[ 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 16.3   .32487 MPO457197 autocmod 2.6n

523928 (1998 DA26)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 1998 DA26 = 2012 XZ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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