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JPL Small-Body Database Browser
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(2017 RK15)
Classification: Aten [NEO]          SPK-ID: 3781451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4192560871165506 4.9296e-05  
a .863250461729961 5.7695e-07 au
q .501327450943502 4.222e-05 au
i 5.684000484761527 0.00089755 deg
node 344.6780415208439 0.0001968 deg
peri 216.1184255989211 0.00026127 deg
M 20.11989385396848 0.0061619 deg
tp 2459380.127053592904
(2021-Jun-14.62705359)
0.0049979 TDB
period 292.9568490438086
0.80
0.00029369
8.041e-07
d
yr
n 1.228849918255933 1.2319e-06 deg/d
Q 1.22517347251642 8.1883e-07 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      1449 days (3.97 yr)  
   first obs. used      2017-09-13  
   last obs. used      2021-09-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .65703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-01 17:42:07  

Additional Information
 Earth MOID = .0153698 au 
 Jupiter MOID = 3.73399 au 
 T_jup = 6.764 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458138.5 (2018-Jan-20.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4193913599942897 4.9188e-05  
q .5013712282643888 4.2824e-05 au
tp 2458208.129206139983
(2018-Mar-30.62920614)
0.0044479 TDB
node 344.7816940495604 9.016e-05 deg
peri 216.0014724345669 0.00017645 deg
i 5.678172000785533 0.00087922 deg
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      1449 days (3.97 yr)  
   first obs. used      2017-09-13  
   last obs. used      2021-09-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .65703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-01 17:42:07  

Additional Information
 Jupiter MOID = 3.73399 au 
 T_jup = 6.764 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.419422910154887E-9 -2.106410613945265E-9 2.187638243569886E-7 4.052134389503719E-9 7.835222995028321E-9 4.318989093140807E-8
q -2.106410613945265E-9 1.833894218400471E-9 -1.904614206994037E-7 -3.527826936525536E-9 -6.821685815353367E-9 -3.760213265737678E-8
tp 2.187638243569886E-7 -1.904614206994037E-7 1.978410663564682E-5 3.644230025813595E-7 7.12863600632049E-7 3.902675875306954E-6
node 4.052134389503719E-9 -3.527826936525536E-9 3.644230025813595E-7 8.128782629092427E-9 1.041609918123302E-8 7.3747468775736E-8
peri 7.835222995028321E-9 -6.821685815353367E-9 7.12863600632049E-7 1.041609918123302E-8 3.113324334852517E-8 1.366938977366733E-7
i 4.318989093140807E-8 -3.760213265737678E-8 3.902675875306954E-6 7.3747468775736E-8 1.366938977366733E-7 7.730295369458941E-7

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.7   n/a MPO435135  

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