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123745 (2001 AA23)
Classification: Main-belt Asteroid          SPK-ID: 2123745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08359109542708268 4.6511e-08  
a 2.857170093861964 2.3682e-08 au
q 2.618336115894541 1.3788e-07 au
i 13.23734348421216 5.4728e-06 deg
node 130.6577545790639 2.1483e-05 deg
peri 245.078131270761 3.7946e-05 deg
M 100.758603651158 3.1869e-05 deg
tp 2458506.778306589750
(2019-Jan-23.27830659)
0.00015572 TDB
period 1764.016204939214
4.83
2.1932e-05
6.005e-08
d
yr
n .2040797578797783 2.5373e-09 deg/d
Q 3.096004071829386 2.5662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:53  

Additional Information
 Earth MOID = 1.64726 au 
 Jupiter MOID = 2.33595 au 
 T_jup = 3.259 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456851.5 (2014-Jul-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08158631649644467 4.6313e-08  
q 2.622933994920402 1.3689e-07 au
tp 2456732.878057425808
(2014-Mar-16.37805743)
0.0001608 TDB
node 130.7803212835325 2.1428e-05 deg
peri 243.0703672646788 3.8776e-05 deg
i 13.25435762056375 5.4801e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:53  

Additional Information
 Jupiter MOID = 2.33595 au 
 T_jup = 3.259 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.144933867938242E-15 -6.262059654130319E-15 -4.418320516446205E-13 7.901483801447522E-16 -1.14652887902068E-13 1.715723113100831E-15
q -6.262059654130319E-15 1.873781823792141E-14 1.020210425351942E-12 -1.059483023406275E-15 2.850550972854641E-13 -3.409383810412181E-15
tp -4.418320516446205E-13 1.020210425351942E-12 2.585596590596448E-8 -3.115597475888381E-11 5.223720020297186E-9 -1.011819377516307E-12
node 7.901483801447522E-16 -1.059483023406275E-15 -3.115597475888381E-11 4.591521326809372E-10 -4.528323955152021E-10 6.967399554555523E-12
peri -1.14652887902068E-13 2.850550972854641E-13 5.223720020297186E-9 -4.528323955152021E-10 1.503609445076688E-9 -6.949753419328346E-12
i 1.715723113100831E-15 -3.409383810412181E-15 -1.011819377516307E-12 6.967399554555523E-12 -6.949753419328346E-12 3.003143977365937E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO453710  
diameter diameter 5.277 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123745 (2001 AA23)          Discovered 2001-Jan-03 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2001 AA23 = 2004 TT247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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