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17511 (1992 QN)
Classification: Apollo [NEO]          SPK-ID: 2017511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 244 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3587951870310797 3.9259e-08  
a 1.190011301258506 1.2562e-09 au
q .7630409738543618 4.6506e-08 au
i 9.582603487016225 4.0772e-06 deg
node 355.9220289376321 1.8774e-05 deg
peri 202.3575265771211 2.104e-05 deg
M 27.65438589652075 1.5162e-05 deg
tp 2459164.076089210127
(2020-Nov-10.57608921)
1.9928e-05 TDB
period 474.1601543212719
1.30
7.5082e-07
2.056e-09
d
yr
n .7592371411202099 1.2022e-09 deg/d
Q 1.61698162866265 1.707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      9656 days (26.44 yr)  
   first obs. used      1992-08-29  
   last obs. used      2019-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:04:52  

Additional Information
 Earth MOID = .132266 au 
 Jupiter MOID = 3.34525 au 
 T_jup = 5.253 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO452419  
rotation period rot_per 5.9902 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 138-147.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

17511 (1992 QN)          Discovered 1992-Aug-29 by Helin, E. F., Alu, J. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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