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487420 (2014 QD407)
Classification: Main-belt Asteroid          SPK-ID: 2487420
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06616714793709091 7.6386e-08  
a 3.131306046309921 6.0175e-08 au
q 2.924116455907425 2.5262e-07 au
i 10.3641423751887 1.2608e-05 deg
node 357.6086186897336 3.8749e-05 deg
peri 281.1067191760467 0.00010779 deg
M 85.08579077661754 9.8694e-05 deg
tp 2458522.154998121565
(2019-Feb-07.65499812)
0.00055831 TDB
period 2023.889054852155
5.54
5.834e-05
1.597e-07
d
yr
n .1778753628500145 5.1274e-09 deg/d
Q 3.338495636712417 6.4156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:13  

Additional Information
 Earth MOID = 1.93164 au 
 Jupiter MOID = 1.83072 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06843085685733082 7.8396e-08  
q 2.916609678928992 2.6129e-07 au
tp 2456508.275297940779
(2013-Aug-03.77529794)
0.00055574 TDB
node 357.7502165731876 3.8665e-05 deg
peri 282.9598576955354 0.00010403 deg
i 10.38194198501763 1.2621e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:13  

Additional Information
 Jupiter MOID = 1.83072 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.145927163127457E-15 -2.000820316621679E-14 2.866163202854031E-11 2.198584185610485E-14 4.957412556380456E-12 -2.369085421645138E-14
q -2.000820316621679E-14 6.827006444550461E-14 -1.019826186970592E-10 -7.923510282359805E-14 -1.743784059052697E-11 8.258206884823907E-14
tp 2.866163202854031E-11 -1.019826186970592E-10 3.088484485590033E-7 1.886290168551435E-10 5.367802930022083E-8 -1.890956470917353E-10
node 2.198584185610485E-14 -7.923510282359805E-14 1.886290168551435E-10 1.494995346458499E-9 -1.436960868911242E-9 -2.199939410300444E-10
peri 4.957412556380456E-12 -1.743784059052697E-11 5.367802930022083E-8 -1.436960868911242E-9 1.082132998424079E-8 1.837697792179299E-10
i -2.369085421645138E-14 8.258206884823907E-14 -1.890956470917353E-10 -2.199939410300444E-10 1.837697792179299E-10 1.592977030851272E-10

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 16.2   n/a MPO477316  

487420 (2014 QD407)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 QD407 = 2003 SJ356 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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