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JPL Small-Body Database Browser
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(2015 WZ1)
Classification: Apollo [NEO]          SPK-ID: 3735469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6607674122199119 0.00040302  
a 2.244741489896269 0.003389 au
q .7614894645148418 0.00024525 au
i 5.719684942803632 0.0030801 deg
node 57.08386289779224 0.0055305 deg
peri 68.81372320619967 0.005743 deg
M 228.2244420300894 1.2412 deg
tp 2459846.155894127508
(2022-Sep-23.65589413)
5.2535 TDB
period 1228.422966896983
3.36
2.7819
0.007616
d
yr
n .2930586692866596 0.00066367 deg/d
Q 3.727993515277696 0.0056283 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      1 day  
   first obs. used      2015-11-21  
   last obs. used      2015-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:21:07  

Additional Information
 Earth MOID = .00671561 au 
 Jupiter MOID = 1.41333 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6644819292560668 0.00051837  
q .7594704667914548 0.00010851 au
tp 2457390.199506385187
(2016-Jan-02.69950639)
0.01076 TDB
node 58.53230823179671 7.2526e-06 deg
peri 66.76241524670878 0.0012854 deg
i 5.868960421863686 0.0037395 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      1 day  
   first obs. used      2015-11-21  
   last obs. used      2015-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:21:07  

Additional Information
 Jupiter MOID = 1.41333 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.687073137923498E-7 -5.609612000324602E-8 -5.572629867678488E-6 1.476273481461632E-9 1.746151377285744E-7 1.934794143324379E-6
q -5.609612000324602E-8 1.177519842102853E-8 1.159748229425679E-6 -2.895486403229577E-10 -4.640829549191735E-8 -4.021559895294414E-7
tp -5.572629867678488E-6 1.159748229425679E-6 .0001157713064354437 -3.167219853858858E-8 -3.063198082092103E-6 -4.022339532909223E-5
node 1.476273481461632E-9 -2.895486403229577E-10 -3.167219853858858E-8 5.260010679423041E-11 -1.975333426642786E-9 1.133548380064777E-8
peri 1.746151377285744E-7 -4.640829549191735E-8 -3.063198082092103E-6 -1.975333426642786E-9 1.652304248933772E-6 9.856615974623312E-7
i 1.934794143324379E-6 -4.021559895294414E-7 -4.022339532909223E-5 1.133548380064777E-8 9.856615974623312E-7 1.398390335996137E-5

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 29.6   n/a MPO355088  

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