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208023 (1999 AQ10)
Classification: Aten [NEO, PHA]          SPK-ID: 2208023
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 121 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2356745744569554 2.545e-08  
a .93427820875752 6.3038e-10 au
q .714092589484185 2.3456e-08 au
i 6.499040541840966 2.3061e-06 deg
node 327.0912266066452 4.8302e-06 deg
peri 300.4811872547921 7.1145e-06 deg
M 86.61860216078017 5.1482e-06 deg
tp 2458921.136387841134
(2020-Mar-12.63638784)
4.6896e-06 TDB
period 329.8471652100637
0.90
3.3383e-07
9.14e-10
d
yr
n 1.091414563986728 1.1046e-09 deg/d
Q 1.154463828030855 7.7894e-10 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      6983 days (19.12 yr)  
   first obs. used      1999-01-14  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3988  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-27 06:25:25  

Additional Information
 Earth MOID = .00591759 au 
 Jupiter MOID = 3.9169 au 
 T_jup = 6.388 
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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 20.5   n/a MPO437004  
rotation period rot_per 2.67 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Betzler, A.S.; Novaes, A.B. (2009) Minor Planet Bull. 36, 145-147.]
SMASSII spectral type spec_B S:   n/a Binzel et al. (2004) Icarus 170, 259-294 SMASSIR data only, classification consistent with specified type, but uncertain

208023 (1999 AQ10)          Discovered 1999-Jan-14 by LINEAR at Socorro
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12

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