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78518 (2002 RF93)
Classification: Main-belt Asteroid          SPK-ID: 2078518
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0959812960187638 3.6789e-08  
a 3.001810480580131 1.8438e-08 au
q 2.713692820251342 1.0906e-07 au
i 9.165580638526473 4.9296e-06 deg
node 298.5237543678124 2.6597e-05 deg
peri 126.0801387977845 4.0339e-05 deg
M 84.16212999052938 2.8784e-05 deg
tp 2458556.393071527141
(2019-Mar-13.89307153)
0.00015154 TDB
period 1899.648859507479
5.20
1.7502e-05
4.792e-08
d
yr
n .1895087074636188 1.746e-09 deg/d
Q 3.28992814090892 2.0208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1163  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:31:18  

Additional Information
 Earth MOID = 1.74003 au 
 Jupiter MOID = 1.97172 au 
 T_jup = 3.226 
[ 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 14.1   n/a MPO459357  
diameter diameter 5.396 km 0.469 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78518 (2002 RF93)          Discovered 2002-Sep-05 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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