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(2015 ET)
Classification: Apollo [NEO]          SPK-ID: 3712984
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5793764979800774 0.00010631  
a 2.032794941475878 0.00044355 au
q .8550413271719672 2.9537e-05 au
i .5989239576026436 8.8362e-05 deg
node 353.9154977536326 0.0041225 deg
peri 124.4940325755596 0.0050297 deg
M 300.5398386701373 0.23501 deg
tp 2459175.348683341016
(2020-Nov-21.84868334)		 0.74831 TDB
period 1058.616804847998
2.90		 0.34648
0.0009486		 d
yr
n .3400663945172216 0.0001113 deg/d
Q 3.210548555779788 0.00070054 au
   Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      14 days  
   first obs. used      2015-03-11  
   last obs. used      2015-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .37362  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:35:13  

Additional Information
 Earth MOID = .000696093 au 
 Jupiter MOID = 1.90915 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5787820500803567 0.00011398  
q .8572383959930923 1.8121e-05 au
tp 2457055.875858537464
(2015-Feb-02.37585854)		 0.0017551 TDB
node 354.1806263426586 0.0001124 deg
peri 124.2179409428005 0.00033395 deg
i .5987982449241122 9.8231e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      14 days  
   first obs. used      2015-03-11  
   last obs. used      2015-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .37362  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:35:13  

Additional Information
 Jupiter MOID = 1.90915 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.299208708859677E-8 -2.065333300564465E-9 2.000383749359389E-7 1.021985702259966E-8 -3.723047998603563E-8 1.112871505504292E-8
q -2.065333300564465E-9 3.283644194045516E-10 -3.179961226763658E-8 -1.616506855800517E-9 5.914388931405671E-9 -1.767888665430015E-9
tp 2.000383749359389E-7 -3.179961226763658E-8 3.080286101462155E-6 1.568050879494256E-7 -5.723690928154044E-7 1.712617048989897E-7
node 1.021985702259966E-8 -1.616506855800517E-9 1.568050879494256E-7 1.263333856678236E-8 -3.365701864436969E-8 8.933835559325054E-9
peri -3.723047998603563E-8 5.914388931405671E-9 -5.723690928154044E-7 -3.365701864436969E-8 1.115197739104818E-7 -3.204019883350294E-8
i 1.112871505504292E-8 -1.767888665430015E-9 1.712617048989897E-7 8.933835559325054E-9 -3.204019883350294E-8 9.649382183374587E-9

[ 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 26.7   n/a MPO339520  
rotation period rot_per 4. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]

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