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487687 (2015 PJ294)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487687
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214755763422226 9.5888e-08  
a 3.223135290393237 6.2813e-08 au
q 2.831603073363762 3.0975e-07 au
i 17.42085517394529 1.2584e-05 deg
node 349.0146694139778 1.9154e-05 deg
peri 49.66510789995561 5.1851e-05 deg
M 263.1119533870391 4.5587e-05 deg
tp 2459569.331881088128
(2021-Dec-20.83188109)
0.00027248 TDB
period 2113.568023615541
5.79
6.1784e-05
1.692e-07
d
yr
n .1703280878484204 4.9791e-09 deg/d
Q 3.614667507422713 7.0443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      9735 days (26.65 yr)  
   first obs. used      1992-10-03  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:36  

Additional Information
 Earth MOID = 1.86794 au 
 Jupiter MOID = 1.97777 au 
 T_jup = 3.105 
[ 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 15.4   n/a MPO361263  

487687 (2015 PJ294)          Discovered 2009-Oct-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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