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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1378517068744383 4.9493e-08  
a 3.109899276283761 1.8467e-08 au
q 2.681194352840464 1.5251e-07 au
i 15.29749684634409 5.6834e-06 deg
node 222.65650176026 1.3018e-05 deg
peri 169.3186199745248 2.0754e-05 deg
M 57.55331149648177 1.4332e-05 deg
tp 2459076.252514765136
(2020-Aug-14.75251477)
8.0113e-05 TDB
period 2003.170481191141
5.48
1.7843e-05
4.885e-08
d
yr
n .1797151083146622 1.6008e-09 deg/d
Q 3.538604199727057 2.1013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      9085 days (24.87 yr)  
   first obs. used      1996-05-20  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:17  

Additional Information
 Earth MOID = 1.68873 au 
 Jupiter MOID = 1.89705 au 
 T_jup = 3.150 
[ 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 14.37   n/a E2021B10  
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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