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487662 (2015 PJ39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487662
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074696096277144 6.9333e-08  
a 3.231547857123048 6.5527e-08 au
q 2.884254670424757 2.5435e-07 au
i 12.48141427466913 7.5618e-06 deg
node 130.5787392629582 2.5474e-05 deg
peri 226.5364056011642 4.1311e-05 deg
M 273.1938441428908 3.4747e-05 deg
tp 2459512.137464724821
(2021-Oct-24.63746472)
0.00021325 TDB
period 2121.848220120796
5.81
6.4538e-05
1.767e-07
d
yr
n .1696634078659525 5.1605e-09 deg/d
Q 3.578841043821339 7.2569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5341 days (14.62 yr)  
   first obs. used      2006-01-04  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:25:31  

Additional Information
 Earth MOID = 1.89463 au 
 Jupiter MOID = 1.85993 au 
 T_jup = 3.140 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079006008890596 6.9061e-08  
q 2.88113209980874 2.533e-07 au
tp 2457398.596926157863
(2016-Jan-11.09692616)
0.00018582 TDB
node 130.6109918590734 2.5498e-05 deg
peri 227.5051650257595 4.1425e-05 deg
i 12.47782796333159 7.5593e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5341 days (14.62 yr)  
   first obs. used      2006-01-04  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:25:31  

Additional Information
 Jupiter MOID = 1.85993 au 
 T_jup = 3.140 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.769441712844532E-15 -1.70944086852131E-14 -3.603970460030493E-12 3.828941625179482E-15 -4.788770906395102E-13 1.758288254152668E-15
q -1.70944086852131E-14 6.41583576923476E-14 1.484583048528295E-11 -1.346186739224305E-14 2.116393916268618E-12 -2.04945780309859E-15
tp -3.603970460030493E-12 1.484583048528295E-11 3.452729210493123E-8 -1.15097214469876E-11 6.077604636872142E-9 5.106460076349113E-12
node 3.828941625179482E-15 -1.346186739224305E-14 -1.15097214469876E-11 6.50153813923007E-10 -6.365665119381689E-10 -1.473213315041789E-11
peri -4.788770906395102E-13 2.116393916268618E-12 6.077604636872142E-9 -6.365665119381689E-10 1.716059458704969E-9 1.539889206837968E-11
i 1.758288254152668E-15 -2.04945780309859E-15 5.106460076349113E-12 -1.473213315041789E-11 1.539889206837968E-11 5.714350601274244E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO434802  

487662 (2015 PJ39)          Discovered 2012-Jan-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 PJ39 = 2014 OD236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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