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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3084710169567757 3.8688e-08  
a 2.685282594608045 1.1244e-08 au
q 1.856950741832972 1.057e-07 au
i 15.75016713244713 5.245e-06 deg
node 81.8112304722406 1.5507e-05 deg
peri 91.8156746572044 1.7663e-05 deg
M 332.2670883348587 7.0228e-06 deg
tp 2459324.315891705375
(2021-Apr-19.81589171)
3.1393e-05 TDB
period 1607.249954571541
4.40
1.0095e-05
2.764e-08
d
yr
n .2239850739930296 1.4068e-09 deg/d
Q 3.513614447383118 1.4712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      8046 days (22.03 yr)  
   first obs. used      1999-01-14  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:33:46  

Additional Information
 Earth MOID = .938309 au 
 Jupiter MOID = 1.78686 au 
 T_jup = 3.253 
[ 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 15.4   n/a MPO417951  

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

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