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49473 (1999 AT32)
Classification: Main-belt Asteroid          SPK-ID: 2049473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13370047314952 7.1699e-08  
a 2.940762429359979 2.3719e-08 au
q 2.547581101134218 2.0788e-07 au
i 1.221995115693622 6.0217e-06 deg
node 38.86223447068948 0.00022414 deg
peri 278.4789810115858 0.00022636 deg
M 166.7519286074171 3.7305e-05 deg
tp 2457747.288493879840
(2016-Dec-24.78849388)
0.00018846 TDB
period 1841.99454104302
5.04
2.2285e-05
6.101e-08
d
yr
n .1954403186212223 2.3645e-09 deg/d
Q 3.33394375758574 2.689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      1999-01-15  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:50:43  

Additional Information
 Earth MOID = 1.53371 au 
 Jupiter MOID = 1.94567 au 
 T_jup = 3.259 
[ 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 15.0   n/a MPO436130  
diameter diameter 5.124 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49473 (1999 AT32)          Discovered 1999-Jan-15 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AT32 = 2000 GY164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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