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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 ]

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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 
[ 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 15.6   n/a MPO495392  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Feb-03 15:10 00:05 Jupiter 1.74550833034412 1.7455069822898 1.74550967844319 3.89098884050361 3.76421006719605 2432951.131658636 4.73887036926395 484.634504789397 24.2627844654393 -82.2532646081843 3477205.04962146 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 18:33:03 2021-Feb-24 18:33
2008-Aug-17 02:20 < 00:01 Jupiter 1.71857736931894 1.71857700182789 1.71857773681039 3.93027768756761 3.802809158407 2454695.597120848 0.72546827359576 125.273984534479 15.4454172833011 86.6990614346892 3432213.04652779 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 18:33:03 2021-Feb-24 18:33
2068-Feb-25 07:36 00:03 Jupiter 1.70834020325676 1.70833976962295 1.70834063689271 3.93155620166286 3.80335405116752 2476436.816738535 3.34940083784709 404.345017795154 20.0340133267887 -89.3487067245406 3340958.48197642 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 18:33:03 2021-Feb-24 18:33
2127-Sep-05 02:39 00:08 Jupiter 1.71384379097532 1.713842828007 1.71384475410126 3.89625725246653 3.76727658020076 2498177.610258099 7.552394155099 920.999401800979 18.827124606434 87.0547525389771 3210973.01030571 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 18:33:03 2021-Feb-24 18:33
2187-Mar-17 12:52 00:12 Jupiter 1.73524766385993 1.73524459629591 1.73525073187038 3.82099859737559 3.69103980018545 2519921.036312124 12.170535573989 1433.93563152051 18.8287787565935 83.4621174636864 3048588.276878 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 18:33:03 2021-Feb-24 18:33

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