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JPL Small-Body Database Browser
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523980 (1999 GY55)
Classification: Main-belt Asteroid          SPK-ID: 2523980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07164308931797686 6.2463e-08  
a 2.537717486034827 2.1162e-08 au
q 2.355907565519042 1.5864e-07 au
i 14.94902171583883 7.4787e-06 deg
node 187.2986014713083 2.3018e-05 deg
peri 51.6120947522389 5.8614e-05 deg
M 300.9442983171752 5.7287e-05 deg
tp 2458842.727065796025
(2019-Dec-25.22706580)
0.00023612 TDB
period 1476.601601567794
4.04
1.847e-05
5.057e-08
d
yr
n .2438030675422315 3.0496e-09 deg/d
Q 2.719527406550612 2.2678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      8799 days (24.09 yr)  
   first obs. used      1995-03-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:10  

Additional Information
 Earth MOID = 1.37381 au 
 Jupiter MOID = 2.28513 au 
 T_jup = 3.396 
[ 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 16.7   .32096 MPO457215 autocmod 2.6q

523980 (1999 GY55)          Discovered 1995-Mar-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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