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(2015 SZ2)
Classification: Apollo [NEO]          SPK-ID: 3728574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414418557508147 4.6167e-07  
a 1.200775154308398 5.6635e-07 au
q .9108577727127077 1.5072e-07 au
i 4.293432870895343 1.0588e-05 deg
node 184.0953349295872 3.9388e-06 deg
peri 240.474399365712 2.6676e-05 deg
M 159.8990479267339 0.00088057 deg
tp 2458787.031231948594
0.0010246 TDB
period 480.6079679331073
n .7490512517888719 5.2994e-07 deg/d
Q 1.490692535904089 7.0309e-07 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      19 days  
   first obs. used      2015-09-12  
   last obs. used      2015-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .45261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:14:54  

Additional Information
 Earth MOID = .00359031 au 
 Jupiter MOID = 3.79005 au 
 T_jup = 5.263 
[ show covariance matrix ]

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 25.4   n/a E2015T22  
rotation period rot_per 0.03832 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.]
[Reshetnyk, V.; Godunova, V.; Andreev, M.; Polyakov, V. (2017) Minor Planet Bull. 44, 65.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
FirstGov 2020-Jul-03 16:43 UT
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