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JPL Small-Body Database Browser
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523407 (2017 DG121)
Classification: Main-belt Asteroid          SPK-ID: 2523407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09047013495452155 5.8668e-08  
a 3.117737463135607 5.3671e-08 au
q 2.835675334092961 1.6881e-07 au
i 10.26163254126542 7.6478e-06 deg
node 131.354721172464 4.2305e-05 deg
peri 145.9320201338676 7.1936e-05 deg
M 32.25105194729854 5.451e-05 deg
tp 2458420.364577210421
(2018-Oct-28.86457721)
0.00030512 TDB
period 2010.748434197362
5.51
5.1922e-05
1.422e-07
d
yr
n .1790378119298164 4.6231e-09 deg/d
Q 3.399799592178253 5.8527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      7188 days (19.68 yr)  
   first obs. used      2000-02-08  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60641  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 20:12:26  

Additional Information
 Earth MOID = 1.82544 au 
 Jupiter MOID = 1.79801 au 
 T_jup = 3.186 
[ 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 15.9   n/a MPO448229  

523407 (2017 DG121)          Discovered 2012-Mar-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31

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