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523811 (2008 TQ2)
Classification: Amor [NEO]          SPK-ID: 2523811
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4197243389582704 2.5981e-08  
a 1.842949785480462 3.1114e-09 au
q 1.069418905036389 4.8255e-08 au
i 3.876532160586318 2.3288e-06 deg
node 225.4733501801123 4.3171e-05 deg
peri 235.1843341670134 4.8406e-05 deg
M 47.0100569830616 5.6483e-06 deg
tp 2458481.167989660217
(2018-Dec-28.66798966)
1.4375e-05 TDB
period 913.8368783045859
2.50
2.3142e-06
6.336e-09
d
yr
n .3939433924661666 9.9763e-10 deg/d
Q 2.616480665924535 4.4173e-09 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      3835 days (10.50 yr)  
   first obs. used      2008-10-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:33  

Additional Information
 Earth MOID = .10242 au 
 Jupiter MOID = 2.57822 au 
 T_jup = 3.901 
[ 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 20.8   n/a MPO292134  
rotation period rot_per 1.238 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Statler, T.S.; Cotto-Figueroa, D.; Riethmiller, D.A.; Sweeney, K.M. (2013) Icarus 225, 141-155.]

523811 (2008 TQ2)          Discovered 2008-Oct-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-10-30

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