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78507 (2002 RY84)
Classification: Main-belt Asteroid          SPK-ID: 2078507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769567296943877 3.5349e-08  
a 2.379803849086787 9.5451e-09 au
q 1.958681542638273 8.6457e-08 au
i 1.476740403836668 3.805e-06 deg
node 259.661412949736 0.00016659 deg
peri 175.8530716513092 0.00016711 deg
M 242.5031464887144 1.389e-05 deg
tp 2459438.157027803209
(2021-Aug-11.65702780)
5.3173e-05 TDB
period 1340.942546976561
3.67
8.0675e-06
2.209e-08
d
yr
n .2684678779204197 1.6152e-09 deg/d
Q 2.800926155535302 1.1234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:36  

Additional Information
 Earth MOID = .973845 au 
 Jupiter MOID = 2.45572 au 
 T_jup = 3.517 
[ 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 16.2   n/a MPO474676  

78507 (2002 RY84)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RY84 = 1993 FL72 = 2000 DS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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