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487780 (2015 RG224)
Classification: Main-belt Asteroid          SPK-ID: 2487780
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128503224067342 7.3969e-08  
a 3.003929519187563 6.0841e-08 au
q 2.364542152541385 2.276e-07 au
i 3.846367238056185 6.7826e-06 deg
node 108.2770886786062 0.00023441 deg
peri 333.9971875565556 0.00024989 deg
M 200.7925585197483 8.6794e-05 deg
tp 2459441.495936180232
(2021-Aug-14.99593618)
0.00046376 TDB
period 1901.660715164737
5.21
5.7774e-05
1.582e-07
d
yr
n .1893082173540163 5.7513e-09 deg/d
Q 3.643316885833742 7.3791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4112 days (11.26 yr)  
   first obs. used      2005-12-01  
   last obs. used      2017-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64817  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:33  

Additional Information
 Earth MOID = 1.38118 au 
 Jupiter MOID = 1.60917 au 
 T_jup = 3.214 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457180.5 (2015-Jun-07.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096442138085295 7.874e-08  
q 2.374682019782965 2.5061e-07 au
tp 2457531.228080589031
(2016-May-22.72808059)
0.00047307 TDB
node 108.5959255435077 0.00023628 deg
peri 332.6484483431051 0.00025319 deg
i 3.83241846811426 6.7547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4112 days (11.26 yr)  
   first obs. used      2005-12-01  
   last obs. used      2017-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64817  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:33  

Additional Information
 Jupiter MOID = 1.60917 au 
 T_jup = 3.214 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.199921526264251E-15 -1.934610483613507E-14 -2.507932296479416E-11 -9.360514335627227E-13 -4.791539129270495E-12 -3.815598814492147E-14
q -1.934610483613507E-14 6.280474479360027E-14 8.451239837483677E-11 3.114265069403578E-12 1.611346962210142E-11 1.285198904249653E-13
tp -2.507932296479416E-11 8.451239837483677E-11 2.2379683255293E-7 7.863153193053961E-9 4.425085712278589E-8 3.063901132123774E-10
node -9.360514335627227E-13 3.114265069403578E-12 7.863153193053961E-9 5.582873540768817E-8 -5.387594187263651E-8 4.42992680948984E-10
peri -4.791539129270495E-12 1.611346962210142E-11 4.425085712278589E-8 -5.387594187263651E-8 6.41057166903349E-8 -3.709110746701848E-10
i -3.815598814492147E-14 1.285198904249653E-13 3.063901132123774E-10 4.42992680948984E-10 -3.709110746701848E-10 4.562582794753448E-11

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 17.1   n/a MPO409262  

487780 (2015 RG224)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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