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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292868987242075 4.367e-08  
a 2.32087305938404 8.4759e-09 au
q 1.78872727326531 1.0212e-07 au
i 2.57661923148559 6.9919e-06 deg
node 184.8240267597817 7.176e-05 deg
peri 43.50149041514638 7.3358e-05 deg
M 133.5663102014421 1.7165e-05 deg
tp 2458721.351717589374
(2019-Aug-25.85171759)
5.9988e-05 TDB
period 1291.443788539747
3.54
7.0746e-06
1.937e-08
d
yr
n .2787577772990468 1.5271e-09 deg/d
Q 2.85301884550277 1.0419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1998-02-27  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:09  

Additional Information
 Earth MOID = .778769 au 
 Jupiter MOID = 2.13419 au 
 T_jup = 3.541 
[ 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 16.20   n/a MPCxxxxx  
rotation period rot_per 2.698 h n/a LCDB (Rev. 2020-October); 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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