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JPL Small-Body Database Browser
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(2010 JK1)
Classification: Apollo [NEO]          SPK-ID: 3519518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503483433232249 7.1479e-07  
a 1.029472562999185 1.084e-07 au
q .8746930686555433 6.4405e-07 au
i .1669899535349801 4.4395e-06 deg
node 201.7923232732021 0.00115 deg
peri 137.8497221378178 0.0011614 deg
M 148.0096964228597 0.00047025 deg
tp 2459239.641427374446
(2021-Jan-25.14142737)
0.0004736 TDB
period 381.5228833648088
1.04
6.026e-05
1.65e-07
d
yr
n .9435869136472509 1.4904e-07 deg/d
Q 1.184252057342827 1.247e-07 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      978 days (2.68 yr)  
   first obs. used      2010-04-10  
   last obs. used      2012-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .50354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:46:09  

Additional Information
 Earth MOID = .00181507 au 
 Jupiter MOID = 4.0346 au 
 T_jup = 5.934 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455634.5 (2011-Mar-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498465490630026 7.1788e-07  
q .8721433960977446 6.2076e-07 au
tp 2455807.297639142650
(2011-Sep-02.79763914)
7.4513e-05 TDB
node 203.5838878139336 0.0010933 deg
peri 135.1621734796536 0.0011017 deg
i .1699294990195276 4.5392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      81  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      978 days (2.68 yr)  
   first obs. used      2010-04-10  
   last obs. used      2012-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .50354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:46:09  

Additional Information
 Jupiter MOID = 4.0346 au 
 T_jup = 5.934 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.153474412341883E-13 -4.456217192081086E-13 -5.319974559872522E-11 6.247156304132302E-11 -1.153279807167062E-10 6.515060836115532E-13
q -4.456217192081086E-13 3.853433205466957E-13 4.59890820634609E-11 -5.393682946690139E-11 9.96275471459734E-11 -5.61871068717992E-13
tp -5.319974559872522E-11 4.59890820634609E-11 5.552208401094545E-9 -6.471334485990395E-9 1.198092763800673E-8 -6.75068287614867E-11
node 6.247156304132302E-11 -5.393682946690139E-11 -6.471334485990395E-9 1.195307538236237E-6 -1.201754637576019E-6 4.584475405010416E-9
peri -1.153279807167062E-10 9.96275471459734E-11 1.198092763800673E-8 -1.201754637576019E-6 1.21367529761783E-6 -4.6523821142762E-9
i 6.515060836115532E-13 -5.61871068717992E-13 -6.75068287614867E-11 4.584475405010416E-9 -4.6523821142762E-9 2.060449251316665E-11

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 24.4   n/a MPO248890  

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