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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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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 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
(2019-Oct-30.53123195)
0.0010246 TDB
period 480.6079679331073
1.32
0.00034002
9.309e-07
d
yr
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 ]
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