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175774 (1999 AQ22)
Classification: Main-belt Asteroid          SPK-ID: 2175774
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3086884308709483 1.3952e-07  
a 2.685012852803204 3.4639e-08 AU
q 1.856180448403055 3.7475e-07 AU
i 15.74785475346636 1.3543e-05 deg
node 81.84620342491256 4.9282e-05 deg
peri 91.87836205288949 5.6222e-05 deg
M 154.2997317415353 2.6692e-05 deg
tp 2456111.719805777443
(2012-Jul-03.21980578)
0.00011157 JED
period 1607.00778362645
4.40
3.1098e-05
8.514e-08
d
yr
n .2240188278289524 4.3351e-09 deg/d
Q 3.513845257203354 4.5332e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      5269 days (14.43 yr)  
   first obs. used      1999-01-14  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-07 20:43:57  

Additional Information
 Earth MOID = .938224 AU 
 T_jup = 3.253 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO264395  

175774 (1999 AQ22)          Discovered 1999-Jan-14 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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