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101560 (1999 AA12)
Classification: Main-belt Asteroid          SPK-ID: 2101560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0611556329612355 3.952e-08  
a 3.103664024791125 1.9724e-08 au
q 2.913857486856008 1.2179e-07 au
i 1.158314754660319 4.2404e-06 deg
node 271.1268472595528 0.00026425 deg
peri 148.7906313584101 0.00026801 deg
M 58.09586410229172 4.4166e-05 deg
tp 2458878.205276721256
(2020-Jan-29.70527672)
0.00024454 TDB
period 1997.149059975354
5.47
1.9038e-05
5.212e-08
d
yr
n .1802569508779893 1.7184e-09 deg/d
Q 3.293470562726242 2.0931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      8562 days (23.44 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:23  

Additional Information
 Earth MOID = 1.92564 au 
 Jupiter MOID = 1.92341 au 
 T_jup = 3.218 
[ 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 15.78   n/a MPCxxxxx  

101560 (1999 AA12)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1914-Oct-20 23:16 00:03 Jupiter 1.97340738070349 1.97340688529413 1.97340787611308 3.65607570116037 3.53672913626595 2420426.469675584 2.95672904162021 109.968542419896 18.4762859803905 87.7376830038146 3174457.82013328 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
1985-Oct-17 07:12 < 00:01 Jupiter 1.97273578259039 1.97273531677876 1.97273624840202 3.5911072960687 3.46948451739749 2446355.800197553 0.910050872201722 48.7889885172404 17.9908350692225 87.6224518619858 3189178.97826766 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
2056-Oct-14 06:53 00:01 Jupiter 1.96942510131034 1.96942464172519 1.96942556089549 3.5236666582797 3.39941971022659 2472285.786830640 1.19423086029646 51.6689058233161 17.5669835019962 -83.9056636533796 3344208.3383834 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
2127-Oct-12 07:50 00:03 Jupiter 1.96305287618234 1.96305238299703 1.96305336936788 3.45171791993939 3.32436340655565 2498214.826669525 3.25384085157297 78.8583630606255 17.0383960175714 -80.3804233575684 3459548.41059294 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
2188-Sep-09 07:40 00:05 Jupiter 1.98462332196856 1.98462270298827 1.98462394095336 3.90056551380829 3.78956807093722 2520462.819532322 5.01008022687853 243.455471081143 19.8411174642392 86.6700626709056 3225761.53202326 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
2198-Oct-08 14:12 00:05 Jupiter 1.96314657807526 1.96314596794682 1.96314718820438 3.4004471669966 3.27110342013927 2524144.091535457 5.32172132485808 92.8251878131049 17.8507168142075 -75.4957863248882 3583408.49489324 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:24 2021-Apr-13 15:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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