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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 
[ 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 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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