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46748 (1998 DN23)
Classification: Main-belt Asteroid          SPK-ID: 2046748
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292784238394638 4.7996e-08  
a 2.321380125477263 9.659e-09 au
q 1.78913774917558 1.1353e-07 au
i 2.576279657672474 7.2228e-06 deg
node 184.8254939749099 9.5994e-05 deg
peri 43.55877456551375 9.7193e-05 deg
M 77.75126278339387 1.7125e-05 deg
tp 2458721.488071937068
(2019-Aug-25.98807194)
6.0485e-05 TDB
period 1291.867045072719
3.54
8.063e-06
2.208e-08
d
yr
n .2786664474282147 1.7393e-09 deg/d
Q 2.853622501778947 1.1874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1998-02-27  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:11  

Additional Information
 Earth MOID = .780395 au 
 Jupiter MOID = 2.13483 au 
 T_jup = 3.540 
[ 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 16.1   n/a MPO244572  
rotation period rot_per 2.698 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

46748 (1998 DN23)          Discovered 1998-Feb-27 by ODAS at Caussols
Reference: 20020921/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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