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173234 (1999 AK11)
Classification: Main-belt Asteroid          SPK-ID: 2173234
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03842170187563722 6.1582e-08  
a 2.716047948963934 2.2356e-08 au
q 2.611692764388906 1.7079e-07 au
i 7.197956621094476 6.7738e-06 deg
node 122.2852007465117 4.6362e-05 deg
peri 242.1809234793844 9.3896e-05 deg
M 28.90787914226786 7.946e-05 deg
tp 2458869.214033562968
(2020-Jan-20.71403356)
0.00036097 TDB
period 1634.950377533087
4.48
2.0186e-05
5.527e-08
d
yr
n .2201901690393747 2.7186e-09 deg/d
Q 2.820403133538962 2.3215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-12-13  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:25:55  

Additional Information
 Earth MOID = 1.61591 au 
 Jupiter MOID = 2.36678 au 
 T_jup = 3.348 
[ 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 16.1   n/a MPO417933  

173234 (1999 AK11)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
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
2097-Aug-14 07:24 01:20 Europ 0.0377683105637746 0.0377666607035568 0.0377699604658735 1.18383335810766 1.18383312039429 2487199.808254526 80.2243057523518 496.393903657265 80.984298489555 -88.6378732612597 69229.0929179911 T 17 CATAB v2.0f-lin.ifort 2020-Dec-17 23:25:56 2020-Dec-17 23:25

Alternate Designations
 1999 AK11 = 2004 BA135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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