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JPL Small-Body Database Browser
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(2015 SK7)
Classification: Apollo [NEO]          SPK-ID: 3728733
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6196424494682198 0.00047058  
a 2.37307873379251 0.0027529 au
q .9026184144043778 6.9767e-05 au
i 2.377528828731217 0.0012411 deg
node 359.5771003941453 0.00059846 deg
peri 317.0382949803835 0.001713 deg
M 2.431692283896322 0.61393 deg
tp 2458591.480701426715
(2019-Apr-17.98070143)
2.2614 TDB
period 1335.262486904723
3.66
2.3235
0.006361
d
yr
n .2696099108082616 0.00046915 deg/d
Q 3.843539053180643 0.0044588 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      19 days  
   first obs. used      2015-09-24  
   last obs. used      2015-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51898  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:44  

Additional Information
 Earth MOID = .000285316 au 
 Jupiter MOID = 1.49097 au 
 T_jup = 3.252 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457303.5 (2015-Oct-08.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6199066578193275 0.00045296  
q .9020691157396411 5.6175e-05 au
tp 2457257.048210993957
(2015-Aug-22.54821099)
0.0044427 TDB
node 359.5863646419694 0.00058715 deg
peri 317.0891656728394 0.002373 deg
i 2.378674281398616 0.0012398 deg
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      19 days  
   first obs. used      2015-09-24  
   last obs. used      2015-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51898  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:44  

Additional Information
 Jupiter MOID = 1.49097 au 
 T_jup = 3.252 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.051716495674132E-7 -2.537382438894576E-8 2.0109694134634E-6 5.771298200712244E-8 -1.015445598348694E-6 5.615329176236718E-7
q -2.537382438894576E-8 3.155685067908847E-9 -2.493787508126303E-7 -9.542736264347229E-9 1.288516356952461E-7 -6.949237845445802E-8
tp 2.0109694134634E-6 -2.493787508126303E-7 1.973742894194684E-5 6.58965952410797E-7 -1.007841520103424E-5 5.505600422561894E-6
node 5.771298200712244E-8 -9.542736264347229E-9 6.58965952410797E-7 3.44748486502668E-7 -7.311041583847256E-7 1.645007428431455E-7
peri -1.015445598348694E-6 1.288516356952461E-7 -1.007841520103424E-5 -7.311041583847256E-7 5.63135513217248E-6 -2.788022107233202E-6
i 5.615329176236718E-7 -6.949237845445802E-8 5.505600422561894E-6 1.645007428431455E-7 -2.788022107233202E-6 1.537117545667501E-6

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 28.9   n/a E2015-TC1  

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