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172389 (2003 AX50)
Classification: Main-belt Asteroid          SPK-ID: 2172389
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04313804540954786 4.6194e-08  
a 3.12693640175465 3.4055e-08 au
q 2.992046477262989 1.4412e-07 au
i 9.04305484929781 5.0087e-06 deg
node 91.14946132055982 3.3198e-05 deg
peri 245.5129520744776 6.8475e-05 deg
M 184.5992715238073 5.956e-05 deg
tp 2459984.524454146516
(2023-Feb-09.02445415)
0.0003344 TDB
period 2019.654117575848
5.53
3.2993e-05
9.033e-08
d
yr
n .1782483430539587 2.9119e-09 deg/d
Q 3.26182632624631 3.5524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6655 days (18.22 yr)  
   first obs. used      2001-10-16  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:54  

Additional Information
 Earth MOID = 1.99499 au 
 Jupiter MOID = 1.9397 au 
 T_jup = 3.194 
[ 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 14.6   n/a MPO427052  
diameter diameter 4.503 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172389 (2003 AX50)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 AX50 = 2004 FP97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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