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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2561875666365719 6.156e-08  
a 2.641737111085544 1.3315e-08 au
q 1.964956908903011 1.6625e-07 au
i 15.7338806733815 5.0862e-06 deg
node 30.42876329786272 1.5693e-05 deg
peri 185.5911323034589 1.7949e-05 deg
M 330.5706959616122 1.0251e-05 deg
tp 2459128.706579537910
(2020-Oct-06.20657954)
4.5156e-05 TDB
period 1568.313289823073
4.29
1.1857e-05
3.246e-08
d
yr
n .229545972948181 1.7355e-09 deg/d
Q 3.318517313268078 1.6727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      23396 days (64.05 yr)  
   first obs. used      1956-04-09  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:45:51  

Additional Information
 Earth MOID = .95918 au 
 Jupiter MOID = 1.65449 au 
 T_jup = 3.296 
[ 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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