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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478715697382725 7.4563e-08  
a 3.114239649744679 6.1064e-08 au
q 2.653732144195766 2.5167e-07 au
i 12.58828674473167 1.2365e-05 deg
node 21.61783685435997 2.7155e-05 deg
peri 54.11579710129875 4.9118e-05 deg
M 260.3683247794843 4.3239e-05 deg
tp 2459556.047763243697
(2021-Dec-07.54776324)
0.00024823 TDB
period 2007.365572495647
5.50
5.9041e-05
1.616e-07
d
yr
n .1793395308421235 5.2748e-09 deg/d
Q 3.574747155293593 7.0094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5775 days (15.81 yr)  
   first obs. used      2004-10-06  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:25:48  

Additional Information
 Earth MOID = 1.69045 au 
 Jupiter MOID = 1.91855 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146999932824077 7.7219e-08  
q 2.656577029795497 2.617e-07 au
tp 2457531.522748716297
(2016-May-23.02274872)
0.00022649 TDB
node 22.04825785342092 2.6993e-05 deg
peri 51.3225668237347 4.9609e-05 deg
i 12.65502943042653 1.2397e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5775 days (15.81 yr)  
   first obs. used      2004-10-06  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:25:48  

Additional Information
 Jupiter MOID = 1.91855 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.962789971896591E-15 -1.984852102057773E-14 -1.111569076847495E-11 -6.483148016000641E-15 -1.863423783580068E-12 -8.119781275711662E-15
q -1.984852102057773E-14 6.848752307193343E-14 3.851719754125319E-11 1.794137180101264E-14 6.437459852136844E-12 3.766937441644994E-14
tp -1.111569076847495E-11 3.851719754125319E-11 5.129646363411458E-8 1.657759753345197E-13 9.428310862708172E-9 5.477845290316727E-11
node -6.483148016000641E-15 1.794137180101264E-14 1.657759753345197E-13 7.286062388106081E-10 -7.098751019990092E-10 -1.034938244211735E-10
peri -1.863423783580068E-12 6.437459852136844E-12 9.428310862708172E-9 -7.098751019990092E-10 2.461081390771988E-9 1.108649251435065E-10
i -8.119781275711662E-15 3.766937441644994E-14 5.477845290316727E-11 -1.034938244211735E-10 1.108649251435065E-10 1.536771066244128E-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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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