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JPL Small-Body Database Browser
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59429 (1999 GK8)
Classification: Main-belt Asteroid          SPK-ID: 2059429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718035094657889 3.7586e-08  
a 2.562327241586555 1.3136e-08 au
q 2.122110429082191 9.6002e-08 au
i 2.106382232837395 4.3897e-06 deg
node 259.027096812605 0.00014581 deg
peri 359.256846932063 0.00014673 deg
M 13.56749355991803 1.8763e-05 deg
tp 2458944.039146235785
(2020-Apr-04.53914624)
7.7945e-05 TDB
period 1498.132817631508
4.10
1.152e-05
3.154e-08
d
yr
n .2402991215219131 1.8478e-09 deg/d
Q 3.00254405409092 1.5393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-04-09  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:47:36  

Additional Information
 Earth MOID = 1.10695 au 
 Jupiter MOID = 2.05831 au 
 T_jup = 3.412 
[ 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 15.4   n/a MPO436197  
rotation period rot_per 8.38 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

59429 (1999 GK8)          Discovered 1999-Apr-09 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GK8 = 2000 SU17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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