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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02044530248518421 4.3936e-08  
a 3.147633892249918 2.31e-08 au
q 3.083279565210251 1.3251e-07 au
i 23.52172453502111 4.5574e-06 deg
node 325.2742518501298 1.1174e-05 deg
peri 346.5373435928277 0.00012242 deg
M 114.1133734006806 0.00012196 deg
tp 2458353.940064732200
(2018-Aug-23.44006473)
0.00069165 TDB
period 2039.739688345938
5.58
2.2454e-05
6.148e-08
d
yr
n .1764931094182565 1.9429e-09 deg/d
Q 3.211988219289586 2.3572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2714  
   data-arc span      8580 days (23.49 yr)  
   first obs. used      1996-08-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:32  

Additional Information
 Earth MOID = 2.07222 au 
 Jupiter MOID = 1.94012 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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