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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750425785588001 6.3e-08  
a 2.420009733347728 3.0285e-08 au
q 1.996404989485148 1.4257e-07 au
i 2.49482727908148 6.2469e-06 deg
node 154.4097606708121 0.00014832 deg
peri 98.95681630730755 0.00015462 deg
M 344.3375665777892 3.2814e-05 deg
tp 2458660.324741828167
(2019-Jun-25.82474183)
0.00012451 TDB
period 1375.06774825927
3.76
2.5812e-05
7.067e-08
d
yr
n .2618052822893507 4.9145e-09 deg/d
Q 2.843614477210309 3.5586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   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      .68918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:22  

Additional Information
 Earth MOID = .983459 au 
 Jupiter MOID = 2.20163 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 17.8   n/a MPO386730  

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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