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JPL Small-Body Database Browser
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59469 (1999 GJ61)
Classification: Main-belt Asteroid          SPK-ID: 2059469
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563525308370965 7.0639e-08  
a 2.642376094334799 1.3785e-08 au
q 1.964996295128631 1.8855e-07 au
i 15.73456297094605 6.4889e-06 deg
node 30.44131211439495 1.5947e-05 deg
peri 185.5331612460678 1.8325e-05 deg
M 238.8359046117108 1.0154e-05 deg
tp 2459128.533915116711
(2020-Oct-06.03391512)
4.5945e-05 TDB
period 1568.882339548162
4.30
1.2277e-05
3.361e-08
d
yr
n .2294627142680948 1.7957e-09 deg/d
Q 3.319755893540967 1.7319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      23243 days (63.64 yr)  
   first obs. used      1956-04-09  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:13:07  

Additional Information
 Earth MOID = .959412 au 
 Jupiter MOID = 1.65395 au 
 T_jup = 3.295 
[ 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 15.5   n/a MPO417235  
diameter diameter 2.908 km 0.735 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.120   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

59469 (1999 GJ61)          Discovered 1999-Apr-15 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GJ61 = 2003 EP57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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