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487773 (2015 RP208)
Classification: Main-belt Asteroid          SPK-ID: 2487773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465313919686686 8.142e-08  
a 3.12078215228842 7.0732e-08 au
q 2.66348959948262 2.6283e-07 au
i 12.59561277101749 1.4569e-05 deg
node 21.86073329929892 2.7166e-05 deg
peri 53.08577985057036 5.2931e-05 deg
M 189.6421857905417 4.4609e-05 deg
tp 2459553.412811014629
(2021-Dec-04.91281101)
0.00025673 TDB
period 2013.694608358155
5.51
6.846e-05
1.874e-07
d
yr
n .1787758672570129 6.0779e-09 deg/d
Q 3.578074705094219 8.1097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2004-10-06  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:49:10  

Additional Information
 Earth MOID = 1.69914 au 
 Jupiter MOID = 1.91564 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471146488829343 8.4095e-08  
q 2.656606075901486 2.73e-07 au
tp 2457531.379738703225
(2016-May-22.87973870)
0.00024188 TDB
node 22.04889068324903 2.7021e-05 deg
peri 51.29138937341972 5.2847e-05 deg
i 12.65420953889719 1.4611e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2004-10-06  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:49:10  

Additional Information
 Jupiter MOID = 1.91564 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.071906127672069E-15 -2.2434527023186E-14 -1.395165214704813E-11 1.987491167043441E-15 -2.468950380366782E-12 -1.483431576039262E-15
q -2.2434527023186E-14 7.452782357467934E-14 4.511426874633808E-11 -3.156122091458725E-15 7.847124783245644E-12 1.202432844725969E-14
tp -1.395165214704813E-11 4.511426874633808E-11 5.850495239913953E-8 -2.485456016688243E-11 1.097206873079329E-8 1.680755423680674E-11
node 1.987491167043441E-15 -3.156122091458725E-15 -2.485456016688243E-11 7.301518902165669E-10 -7.165069308217178E-10 -9.446084035344996E-11
peri -2.468950380366782E-12 7.847124783245644E-12 1.097206873079329E-8 -7.165069308217178E-10 2.792783368992076E-9 9.508606399503338E-11
i -1.483431576039262E-15 1.202432844725969E-14 1.680755423680674E-11 -9.446084035344996E-11 9.508606399503338E-11 2.134819156113307E-10

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 16.5   n/a MPO440946  

487773 (2015 RP208)          Discovered 2004-Oct-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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