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19389 (1998 DD14)
Classification: Main-belt Asteroid          SPK-ID: 2019389
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272894923282969 3.7462e-08  
a 3.1487222879945 1.8826e-08 au
q 2.433050797673437 1.1882e-07 au
i 11.53736211370193 4.5307e-06 deg
node 196.2784886689562 2.1056e-05 deg
peri 136.0657510028308 2.2973e-05 deg
M 238.1077429897584 1.1033e-05 deg
tp 2459691.492895613784
(2022-Apr-21.99289561)
6.6247e-05 TDB
period 2040.797738285058
5.59
1.8303e-05
5.011e-08
d
yr
n .176401606708227 1.5821e-09 deg/d
Q 3.864393778315564 2.3105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      12379 days (33.89 yr)  
   first obs. used      1986-03-15  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:47:21  

Additional Information
 Earth MOID = 1.4391 au 
 Jupiter MOID = 1.68728 au 
 T_jup = 3.137 
[ 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 13.4   n/a MPO474021  
diameter diameter 12.893 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.417 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.061   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19389 (1998 DD14)          Discovered 1998-Feb-27 by ODAS at Caussols
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DD14 = 1999 NO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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