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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283973088026097 3.9108e-08  
a 3.077738436597427 4.935e-08 au
q 2.682565104139965 1.3692e-07 au
i 15.24664443782022 4.5397e-06 deg
node 112.4126698314926 1.9662e-05 deg
peri 342.1670466858852 2.9472e-05 deg
M 264.9439110029732 2.36e-05 deg
tp 2459521.242987359461
(2021-Nov-02.74298736)
0.00013569 TDB
period 1972.177452569816
5.40
4.7434e-05
1.299e-07
d
yr
n .1825393549302105 4.3904e-09 deg/d
Q 3.472911769054888 5.5686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5400 days (14.78 yr)  
   first obs. used      2006-01-26  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:16:47  

Additional Information
 Earth MOID = 1.70323 au 
 Jupiter MOID = 1.69927 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457962.5 (2017-Jul-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248754392020815 3.8622e-08  
q 2.698503652686107 1.3526e-07 au
tp 2457539.487446204537
(2016-May-30.98744620)
0.00012277 TDB
node 112.6389631847766 1.9731e-05 deg
peri 341.0334318232509 3.0203e-05 deg
i 15.20015695582061 4.5315e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5400 days (14.78 yr)  
   first obs. used      2006-01-26  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:16:47  

Additional Information
 Jupiter MOID = 1.69927 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.491685955441444E-15 -4.960882025561076E-15 2.098151529808016E-13 4.762258236583928E-15 5.779139073454556E-14 -3.569287527852812E-15
q -4.960882025561076E-15 1.829480307336537E-14 5.301573151238782E-13 -4.694424787931192E-15 1.069451395193165E-13 2.046885460023053E-14
tp 2.098151529808016E-13 5.301573151238782E-13 1.507158128923799E-8 5.035480158816834E-11 2.840680175475174E-9 1.62836922884851E-11
node 4.762258236583928E-15 -4.694424787931192E-15 5.035480158816834E-11 3.893094299086468E-10 -3.658471471636199E-10 1.938421146413662E-11
peri 5.779139073454556E-14 1.069451395193165E-13 2.840680175475174E-9 -3.658471471636199E-10 9.122426330214546E-10 -1.543732432025141E-11
i -3.569287527852812E-15 2.046885460023053E-14 1.62836922884851E-11 1.938421146413662E-11 -1.543732432025141E-11 2.053488403015744E-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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