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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413648809262415 4.6029e-07  
a 1.200785023029666 5.6689e-07 au
q .9109576889280964 1.4908e-07 au
i 4.293672461062394 1.0588e-05 deg
node 184.0846348735965 3.9302e-06 deg
peri 240.4940221852119 2.6683e-05 deg
M 96.50024916963368 0.0010905 deg
tp 2459267.668443293134
(2021-Feb-22.16844329)
0.0013647 TDB
period 480.613892850611
1.32
0.00034035
9.318e-07
d
yr
n .7490420176261918 5.3043e-07 deg/d
Q 1.490612357131235 7.0372e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .45103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:41:03  

Additional Information
 Earth MOID = .00330991 au 
 Jupiter MOID = 3.79063 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. 2020-October); 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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