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74524 (1999 GG16)
Classification: Main-belt Asteroid          SPK-ID: 2074524
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127224439844559 3.7768e-08  
a 3.165981099136275 1.9208e-08 au
q 2.763190927240201 1.2113e-07 au
i 1.137655209724049 5.714e-06 deg
node 41.68656521985888 0.00019753 deg
peri 106.7393797384396 0.00019889 deg
M 311.3851786056692 2.2739e-05 deg
tp 2459278.360682002737
(2021-Mar-04.86068200)
0.00013087 TDB
period 2057.599774143161
5.63
1.8725e-05
5.127e-08
d
yr
n .1749611389561479 1.5922e-09 deg/d
Q 3.568771271032349 2.1652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      7602 days (20.81 yr)  
   first obs. used      1999-03-23  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:54  

Additional Information
 Earth MOID = 1.77491 au 
 Jupiter MOID = 1.43259 au 
 T_jup = 3.191 
[ 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 14.2   n/a MPO502607  
diameter diameter 7.343 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74524 (1999 GG16)          Discovered 1999-Apr-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GG16 = 2001 QF239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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