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74412 (1999 AZ7)
Classification: Main-belt Asteroid          SPK-ID: 2074412
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02037275110554103 4.5174e-08  
a 3.146359172026009 2.3297e-08 au
q 3.082259179725687 1.3733e-07 au
i 23.52329230403513 5.0753e-06 deg
node 325.284619568603 1.1218e-05 deg
peri 345.3906324176276 0.00012429 deg
M 44.63260717809491 0.00012388 deg
tp 2458347.767769930004
(2018-Aug-17.26776993)
0.00070177 TDB
period 2038.500741445644
5.58
2.2641e-05
6.199e-08
d
yr
n .1766003772678045 1.9614e-09 deg/d
Q 3.210459164326331 2.3771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2599  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1996-08-09  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:46:43  

Additional Information
 Earth MOID = 2.07052 au 
 Jupiter MOID = 1.94224 au 
 T_jup = 3.079 
[ 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 12.3   n/a MPO366103  
diameter diameter 8.606 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.345   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74412 (1999 AZ7)          Discovered 1999-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AZ7 = 1996 QN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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