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487432 (2014 RU8)
Classification: Main-belt Asteroid          SPK-ID: 2487432
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08927412391420206 1.2332e-07  
a 3.189371203593771 2.2355e-07 au
q 2.904642883555753 3.1684e-07 au
i 10.30477779571293 1.0282e-05 deg
node 129.2821131187796 4.3797e-05 deg
peri 217.419593682896 7.6284e-05 deg
M 357.4945247045405 8.182e-05 deg
tp 2459014.979169561602
(2020-Jun-14.47916956)
0.00047403 TDB
period 2080.443998638854
5.70
0.00021874
5.989e-07
d
yr
n .1730399858085739 1.8193e-08 deg/d
Q 3.474099523631789 2.4351e-07 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      3130 days (8.57 yr)  
   first obs. used      2008-07-29  
   last obs. used      2017-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66246  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:17:21  

Additional Information
 Earth MOID = 1.90414 au 
 Jupiter MOID = 1.9036 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457213.5 (2015-Jul-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09422417943743677 1.245e-07  
q 2.887868226348064 3.1981e-07 au
tp 2456933.028523225358
(2014-Oct-02.52852323)
0.00031205 TDB
node 129.5622508050623 4.3911e-05 deg
peri 217.1771887467865 7.3667e-05 deg
i 10.29279965332315 1.0274e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      3130 days (8.57 yr)  
   first obs. used      2008-07-29  
   last obs. used      2017-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66246  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:17:21  

Additional Information
 Jupiter MOID = 1.9036 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.549949416537519E-14 -3.458854091984307E-14 1.735957731693252E-12 1.029031547062874E-13 1.353781846080699E-14 -9.401967256614814E-15
q -3.458854091984307E-14 1.022779025759879E-13 2.567525509593709E-11 -3.16700333821196E-13 5.91967526109464E-12 3.744269658810937E-14
tp 1.735957731693252E-12 2.567525509593709E-11 9.737741312922539E-8 -2.109621454094966E-10 1.848887854506765E-8 -1.844453738968616E-11
node 1.029031547062874E-13 -3.16700333821196E-13 -2.109621454094966E-10 1.928158709246492E-9 -1.938166045294252E-9 4.716787347295322E-11
peri 1.353781846080699E-14 5.91967526109464E-12 1.848887854506765E-8 -1.938166045294252E-9 5.426862685967482E-9 -4.949197939212301E-11
i -9.401967256614814E-15 3.744269658810937E-14 -1.844453738968616E-11 4.716787347295322E-11 -4.949197939212301E-11 1.055602733935938E-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 16.8   n/a MPO399032  

487432 (2014 RU8)          Discovered 2014-Jul-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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