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(2001 SQ3)
Classification: Apollo [NEO, PHA]          SPK-ID: 3082923
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .254493645183004 1.0449e-07  
a 1.110261748425758 2.7079e-09 au
q .8277071889616311 1.1783e-07 au
i 23.89603193722462 2.9914e-05 deg
node 356.1648567808672 6.1502e-06 deg
peri 268.200080945693 1.8415e-05 deg
M 228.5017458213296 1.3551e-05 deg
tp 2459356.582416133153
(2021-May-22.08241613)
1.6049e-05 TDB
period 427.3035422324956
1.17
1.5633e-06
4.28e-09
d
yr
n .8424924308353245 3.0822e-09 deg/d
Q 1.392816307889884 3.397e-09 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      7103 days (19.45 yr)  
   first obs. used      2001-09-17  
   last obs. used      2021-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-27 05:50:52  

Additional Information
 Earth MOID = .0287917 au 
 Jupiter MOID = 3.78024 au 
 T_jup = 5.503 
[ 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 21.92   n/a E2021-DA1  
rotation period rot_per 0.06248 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Whiteley, R.J.; Hergenrother, C.W.; Tholen, D.J. (2002) Proc. ACM 2002, 473-480.]
[Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.]

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