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284891 Kona (2009 RT26)
Classification: Main-belt Asteroid          SPK-ID: 2284891
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094804746665741 5.8853e-08  
a 3.091172887667633 4.3583e-08 au
q 2.443632523882572 1.8108e-07 au
i 16.29658096690557 6.2437e-06 deg
node 205.7230094159715 2.4537e-05 deg
peri 237.2215299466696 2.9464e-05 deg
M 300.3355441179618 2.2065e-05 deg
tp 2459329.500496900316
(2021-Apr-25.00049690)
0.00012668 TDB
period 1985.104483618859
5.43
4.1982e-05
1.149e-07
d
yr
n .1813506558323406 3.8353e-09 deg/d
Q 3.738713251452693 5.2713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5822 days (15.94 yr)  
   first obs. used      2003-09-16  
   last obs. used      2019-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:55:22  

Additional Information
 Earth MOID = 1.49973 au 
 Jupiter MOID = 1.82192 au 
 T_jup = 3.130 
[ 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 15.6   n/a MPO455111  

284891 Kona           Discovered 2009 Sept. 13 at ESA OGS.
Kona is the name of a district of the Big Island of Hawai'i. The district is on the leeward side of the island and the home of the annual Ironman Championship and the famous Kona Coffee.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1947-Apr-11 19:10 00:04 Jupiter 1.84519318368788 1.8451917220208 1.84519464541465 4.22057728414325 4.11037554878936 2432287.298859596 4.1782909516013 602.936119143985 31.0169605921705 84.5542579870576 2098514.17288965 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55
2007-Jul-07 03:28 < 00:01 Jupiter 1.83965006488306 1.83964912118095 1.83965100858517 3.22897420305866 3.08308654222493 2454288.644099514 0.841382385280833 130.091527583187 49.7866809394716 -88.574471243801 1548636.9487323 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55
2068-Feb-13 00:37 00:05 Jupiter 1.99583043832444 1.99582931357283 1.99583156314435 1.14604238171378 0.681631190197867 2476424.525977953 5.14478386410289 3031.91886303092 163.432897697626 26.3926244445044 2591601.10711315 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55
2077-Oct-01 03:55 00:04 Jupiter 1.86906529591054 1.86906402214703 1.86906656971091 4.18696287758436 4.07729060381242 2479942.663365292 3.63635129521123 500.044202978602 31.2231285190181 84.5664202703949 2092555.27911201 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55
2138-Jan-01 13:55 00:09 Jupiter 1.85191555018889 1.85191402852586 1.85191707192666 3.06634942527437 2.91337363646577 2501949.079789445 8.51078062183151 756.339820734011 56.059230648426 -79.1185587565008 996763.447183482 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55
2198-Aug-24 06:59 00:18 Jupiter 1.97517701893976 1.97517497381756 1.97517906534315 1.20293569485856 0.767715337059713 2524098.791158536 18.1269416742772 13701.3223061129 187.063047529536 16.7391626023146 991923.874895261 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:55:24 2019-Sep-24 04:55

Alternate Designations
 2009 RT26 = 2003 SX112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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