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78879 (2003 RK15)
Classification: Main-belt Asteroid          SPK-ID: 2078879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374950372254225 5.3068e-08  
a 3.108461682964681 1.9579e-08 au
q 2.681063628151652 1.6456e-07 au
i 15.30039479622024 6.1799e-06 deg
node 222.6611434212165 1.5007e-05 deg
peri 169.2265096713129 2.2421e-05 deg
M 346.4456239952748 1.5348e-05 deg
tp 2459075.869169990558
(2020-Aug-14.36916999)
8.5326e-05 TDB
period 2001.781652445094
5.48
1.8912e-05
5.178e-08
d
yr
n .1798397939956513 1.6991e-09 deg/d
Q 3.535859737777709 2.2271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      8946 days (24.49 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:07:07  

Additional Information
 Earth MOID = 1.68925 au 
 Jupiter MOID = 1.89777 au 
 T_jup = 3.151 
[ 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 14.3   n/a MPO400736  
diameter diameter 4.521 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78879 (2003 RK15)          Discovered 2003-Sep-15 by NEAT at Haleakala
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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