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123911 (2001 DF89)
Classification: Main-belt Asteroid          SPK-ID: 2123911
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07325193958294154 4.4022e-08  
a 2.97661391303594 2.4551e-08 au
q 2.758571170516488 1.2668e-07 au
i 10.59608268322038 4.663e-06 deg
node 164.685473995105 2.5815e-05 deg
peri 105.5514713510173 4.2924e-05 deg
M 183.5083007521584 3.6459e-05 deg
tp 2459920.110606479236
(2022-Dec-06.61060648)
0.00019299 TDB
period 1875.781239250399
5.14
2.3207e-05
6.354e-08
d
yr
n .1919200344192926 2.3744e-09 deg/d
Q 3.194656655555392 2.6349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2001-02-27  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:31:37  

Additional Information
 Earth MOID = 1.76673 au 
 Jupiter MOID = 1.93933 au 
 T_jup = 3.231 
[ 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 15.2   n/a MPO351723  

123911 (2001 DF89)          Discovered 2001-Feb-27 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1916-Sep-28 03:03 00:04 Jupiter 1.93677292384626 1.93677247271026 1.93677337498226 3.8144551628895 3.69802570735601 2421134.627288019 3.64133752379391 258.91966142088 19.3285841813903 87.9291103293223 2831203.38473809 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:38 2020-Nov-12 17:31
1952-Dec-28 18:40 00:02 Jupiter 1.95307412295822 1.95307350536007 1.9530747405577 3.17504099951848 3.0353766979041 2434375.277770294 2.42535965736294 123.283763966752 17.888888943249 75.1239267825003 2537623.16265422 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:38 2020-Nov-12 17:31
2070-Jul-23 22:07 00:02 Jupiter 1.96624081795583 1.96624029019123 1.96624134572166 4.19432020025869 4.09032474934626 2477316.421444174 1.93868020805379 151.992986587884 19.8233038604572 -86.2303033623612 3157361.08030698 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:38 2020-Nov-12 17:31
2106-Oct-17 19:57 00:03 Jupiter 1.95318842116376 1.95318795299932 1.95318888932809 3.55669526070878 3.43260226136862 2490550.331479486 3.38044582037861 212.24349483473 19.3704950388944 86.2934537624019 2628752.97709227 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:38 2020-Nov-12 17:31
2143-Jan-24 22:09 00:05 Jupiter 1.98141077079786 1.98141008116614 1.98141146043353 2.92725241394809 2.77737962307091 2503798.423066590 4.98239751458651 196.331541615181 14.9739058475403 74.5585429535011 2543320.52993905 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:38 2020-Nov-12 17:31

Alternate Designations
 2001 DF89 = 2003 US139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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