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(2015 WA13)
Classification: Apollo [NEO]          SPK-ID: 3735599
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731516584693852 5.2248e-07  
a 1.377841116663244 9.9539e-07 au
q 1.00148153053937 1.905e-08 au
i 4.822221461700108 1.0186e-05 deg
node 68.40900231326344 9.5159e-06 deg
peri 9.869545054436307 4.6748e-05 deg
M 275.2343644839691 0.0010732 deg
tp 2459139.595941782601
(2020-Oct-17.09594178)
0.0019118 TDB
period 590.7410324584461
1.62
0.00064015
1.753e-06
d
yr
n .6094040877807537 6.6037e-07 deg/d
Q 1.754200702787119 1.2673e-06 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      35 days  
   first obs. used      2015-11-29  
   last obs. used      2016-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .41125  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Earth MOID = .0182742 au 
 Jupiter MOID = 3.48998 au 
 T_jup = 4.763 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2735791767323887 5.2537e-07  
q 1.001492669404003 1.7621e-08 au
tp 2457367.026432677603
(2015-Dec-10.52643268)
4.0316e-05 TDB
node 68.6204176970195 9.0265e-06 deg
peri 9.332280507131191 4.625e-05 deg
i 4.875519757817795 1.0157e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      84  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      35 days  
   first obs. used      2015-11-29  
   last obs. used      2016-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .41125  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Jupiter MOID = 3.48998 au 
 T_jup = 4.763 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.760115353160071E-13 6.533601127952517E-16 -1.561180621961702E-12 6.651237534470735E-13 -1.676580743597083E-12 1.238245877363637E-12
q 6.533601127952517E-16 3.104962715735586E-16 -6.697863289756944E-13 3.055410574299511E-14 -7.677607893760613E-13 -2.97877983399412E-14
tp -1.561180621961702E-12 -6.697863289756944E-13 1.62538662283509E-9 -3.58682404916751E-11 1.828754044498523E-9 1.370531177349904E-11
node 6.651237534470735E-13 3.055410574299511E-14 -3.58682404916751E-11 8.147799086410625E-11 -1.203426861671187E-10 4.940713200066678E-11
peri -1.676580743597083E-12 -7.677607893760613E-13 1.828754044498523E-9 -1.203426861671187E-10 2.139074514622543E-9 -3.049564847696917E-11
i 1.238245877363637E-12 -2.97877983399412E-14 1.370531177349904E-11 4.940713200066678E-11 -3.049564847696917E-11 1.031584299180565E-10

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 26.1   n/a E2016A29  

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