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487793 (2015 RP239)
Classification: Main-belt Asteroid          SPK-ID: 2487793
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285586039310517 3.8844e-08  
a 3.077541985409157 4.781e-08 au
q 2.681897484225759 1.3683e-07 au
i 15.24669090162156 4.4137e-06 deg
node 112.4132313489331 1.9637e-05 deg
peri 342.2097293588105 2.9356e-05 deg
M 301.4295905475084 2.3709e-05 deg
tp 2459521.333837530298
(2021-Nov-02.83383753)
0.00013368 TDB
period 1971.988630275724
5.40
4.5952e-05
1.258e-07
d
yr
n .1825568334791386 4.254e-09 deg/d
Q 3.473186486592556 5.3956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      5460 days (14.95 yr)  
   first obs. used      2006-01-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:02  

Additional Information
 Earth MOID = 1.70236 au 
 Jupiter MOID = 1.69887 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458018.5 (2017-Sep-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249510555080277 3.8395e-08  
q 2.698866180115445 1.3529e-07 au
tp 2457539.914324949540
(2016-May-31.41432495)
0.00012211 TDB
node 112.6223017176557 1.9706e-05 deg
peri 341.1451972932737 3.009e-05 deg
i 15.19920465941334 4.4052e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      5460 days (14.95 yr)  
   first obs. used      2006-01-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:02  

Additional Information
 Jupiter MOID = 1.69887 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.474205291676984E-15 -4.952435663725366E-15 1.649063097057873E-13 4.733961504006696E-15 4.936221209362929E-14 -3.607572012479864E-15
q -4.952435663725366E-15 1.830411769495617E-14 5.467412784754367E-13 -5.632181267078387E-15 1.107274708143629E-13 1.988208392027972E-14
tp 1.649063097057873E-13 5.467412784754367E-13 1.491200810861191E-8 4.982368197079845E-11 2.809766174976249E-9 1.623949665560292E-11
node 4.733961504006696E-15 -5.632181267078387E-15 4.982368197079845E-11 3.883106097875474E-10 -3.650336391766734E-10 1.841617000805072E-11
peri 4.936221209362929E-14 1.107274708143629E-13 2.809766174976249E-9 -3.650336391766734E-10 9.053895609781091E-10 -1.45202109494294E-11
i -3.607572012479864E-15 1.988208392027972E-14 1.623949665560292E-11 1.841617000805072E-11 -1.45202109494294E-11 1.940592049012594E-11

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 15.6   n/a MPO495392  

487793 (2015 RP239)          Discovered 2014-Jun-28 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RP239 = 2014 OW383 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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