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JPL Small-Body Database Browser
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379631 (2011 DH18)
Classification: Main-belt Asteroid          SPK-ID: 2379631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349766785639927 5.4681e-08  
a 2.593622700004141 2.9085e-08 au
q 2.243544122509407 1.455e-07 au
i 11.02931759643966 6.9661e-06 deg
node 170.1696915770517 2.3478e-05 deg
peri 232.8028558533914 3.2938e-05 deg
M 197.0492295433873 2.2171e-05 deg
tp 2459691.077687419034
(2022-Apr-21.57768742)
9.6551e-05 TDB
period 1525.663037825565
4.18
2.5663e-05
7.026e-08
d
yr
n .2359629820442436 3.9691e-09 deg/d
Q 2.943701277498875 3.301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2000-07-07  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:59:50  

Additional Information
 Earth MOID = 1.26898 au 
 Jupiter MOID = 2.53536 au 
 T_jup = 3.379 
[ 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 16.6   n/a MPO437556  

379631 (2011 DH18)          Discovered 2011-Feb-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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