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JPL Small-Body Database Browser
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469153 (2015 GP21)
Classification: Main-belt Asteroid          SPK-ID: 2469153
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749220558445066 6.3142e-08  
a 2.419203243163647 3.02e-08 au
q 1.996031238363764 1.4275e-07 au
i 2.495470485401308 6.1802e-06 deg
node 154.3913827403109 0.00014824 deg
peri 98.8070600569622 0.00015455 deg
M 89.22344804362137 3.1353e-05 deg
tp 2458659.869554366830
(2019-Jun-25.36955437)
0.00012429 TDB
period 1374.380424840665
3.76
2.5735e-05
7.046e-08
d
yr
n .2619362103048985 4.9048e-09 deg/d
Q 2.842375247963529 3.5483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7979 days (21.85 yr)  
   first obs. used      1997-09-23  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:55:15  

Additional Information
 Earth MOID = .983376 au 
 Jupiter MOID = 2.20245 au 
 T_jup = 3.492 
[ 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 17.6   n/a MPO477207  

469153 (2015 GP21)          Discovered 1997-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 GP21 = 2005 UP404 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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