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487578 (2015 AD28)
Classification: Main-belt Asteroid          SPK-ID: 2487578
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506278359980815 8.6262e-08  
a 3.151255657150331 5.3745e-08 au
q 2.676588836837065 2.7804e-07 au
i 3.000752708104319 8.2888e-06 deg
node 92.21977707149127 0.00017312 deg
peri 228.3182606192872 0.00017511 deg
M 128.9662620877951 2.558e-05 deg
tp 2458268.522896842156
(2018-May-30.02289684)
0.00014408 TDB
period 2043.261182195352
5.59
5.2273e-05
1.431e-07
d
yr
n .17618892931407 4.5074e-09 deg/d
Q 3.625922477463598 6.1841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5792 days (15.86 yr)  
   first obs. used      2004-01-27  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:59:23  

Additional Information
 Earth MOID = 1.66494 au 
 Jupiter MOID = 1.68463 au 
 T_jup = 3.188 
[ 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 16.1   n/a MPO456351  

487578 (2015 AD28)          Discovered 2007-Sep-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 AD28 = 2007 RA209 = 2016 ER114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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