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173566 (2001 AA40)
Classification: Main-belt Asteroid          SPK-ID: 2173566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09870923507778349 4.5111e-08  
a 2.262849244141136 9.2631e-09 au
q 2.039485126155624 1.0393e-07 au
i 6.765158747057217 4.4333e-06 deg
node 82.19564877724274 3.3628e-05 deg
peri 318.1896379559403 3.832e-05 deg
M 313.4127002383931 1.8535e-05 deg
tp 2459161.396611219442
(2020-Nov-07.89661122)
6.4001e-05 TDB
period 1243.316962678614
3.40
7.6344e-06
2.09e-08
d
yr
n .2895480483306627 1.7779e-09 deg/d
Q 2.486213362126648 1.0177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7257 days (19.87 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:12  

Additional Information
 Earth MOID = 1.05391 au 
 Jupiter MOID = 2.84285 au 
 T_jup = 3.603 
[ 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 16.7   n/a MPO436861  

173566 (2001 AA40)          Discovered 2001-Jan-03 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2036-Sep-06 22:30 00:01 Thisb 0.0489999084619416 0.0489946744075947 0.0490051425291264 4.50369374143926 4.50369371054266 2464943.437458032 1.10755632015441 263.921448986312 31.7278453240802 8.75111117952437 44577.3269234192 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 23:26:13 2020-Dec-17 23:26
2115-Jan-06 20:27 00:04 Thisb 0.0131769068045895 0.0131594018534465 0.0131944230731194 4.41814819280437 4.41814807568708 2493553.351959636 3.69856458995698 1064.27071169789 29.8021460172222 -34.9229175738501 37875.2840663246 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 23:26:13 2020-Dec-17 23:26

Alternate Designations
 2001 AA40 = 2003 UB83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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