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59428 (1999 GK7)
Classification: Main-belt Asteroid          SPK-ID: 2059428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144315249165817 5.0403e-08  
a 2.415250146821807 1.3939e-08 au
q 2.066692720085442 1.171e-07 au
i 2.347373447985423 4.7998e-06 deg
node 222.0855402979263 0.0001009 deg
peri 331.657075240935 0.00010171 deg
M 230.6144840484971 1.4717e-05 deg
tp 2459493.247879355597
(2021-Oct-05.74787936)
5.7997e-05 TDB
period 1371.01309418981
3.75
1.1868e-05
3.249e-08
d
yr
n .2625795490397846 2.273e-09 deg/d
Q 2.763807573558172 1.595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      9540 days (26.12 yr)  
   first obs. used      1993-09-18  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:12:45  

Additional Information
 Earth MOID = 1.06618 au 
 Jupiter MOID = 2.19646 au 
 T_jup = 3.502 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO280109  
diameter diameter 1.521 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.365   0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59428 (1999 GK7)          Discovered 1999-Apr-07 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 GK7 = 2001 XA61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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