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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374950433279409 5.3282e-08  
a 3.108461679635163 1.9745e-08 au
q 2.681063606310482 1.6543e-07 au
i 15.30039471345733 6.189e-06 deg
node 222.6611441683056 1.5247e-05 deg
peri 169.2265072179522 2.2621e-05 deg
M 346.4456268068417 1.5499e-05 deg
tp 2459075.869154235734
(2020-Aug-14.36915424)
8.6181e-05 TDB
period 2001.781649228889
5.48
1.9073e-05
5.222e-08
d
yr
n .1798397942845947 1.7135e-09 deg/d
Q 3.535859752959844 2.246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8928 days (24.44 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:10  

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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