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437947 (2002 RT235)
Classification: Main-belt Asteroid          SPK-ID: 2437947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08606976118482977 7.4276e-08  
a 2.783058695290227 2.9556e-08 au
q 2.543521498023233 2.0567e-07 au
i 3.687885053695323 7.9995e-06 deg
node 215.2651505209305 9.8429e-05 deg
peri 145.8690512029515 0.00010601 deg
M 289.1950542634682 4.2024e-05 deg
tp 2459334.036271095618
(2021-Apr-29.53627110)
0.00020113 TDB
period 1695.828678991146
4.64
2.7014e-05
7.396e-08
d
yr
n .2122855949188011 3.3817e-09 deg/d
Q 3.022595892557221 3.21e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      6054 days (16.57 yr)  
   first obs. used      2002-09-11  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:15:55  

Additional Information
 Earth MOID = 1.5416 au 
 Jupiter MOID = 2.38133 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457237.5 (2015-Aug-03.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08693062244091444 7.4403e-08  
q 2.538502748890819 2.0566e-07 au
tp 2457646.121562385713
(2016-Sep-14.62156239)
0.00018407 TDB
node 215.3232944226293 9.8309e-05 deg
peri 147.1370961539613 0.0001057 deg
i 3.691007966861894 8.007e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      6054 days (16.57 yr)  
   first obs. used      2002-09-11  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:15:55  

Additional Information
 Jupiter MOID = 2.38133 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.535835462754303E-15 -1.517374551265786E-14 2.325372314384276E-12 -3.781828714878349E-14 5.834566130505961E-13 4.885927911767631E-16
q -1.517374551265786E-14 4.229536402011685E-14 -4.062423710323326E-12 1.016687773256231E-13 -1.147304024703213E-12 -3.254463994262307E-16
tp 2.325372314384276E-12 -4.062423710323326E-12 3.388334502527553E-8 -3.177546384740952E-11 7.180448245880427E-9 3.683795833473652E-12
node -3.781828714878349E-14 1.016687773256231E-13 -3.177546384740952E-11 9.664732490549501E-9 -9.65133408266365E-9 -1.780309901080817E-10
peri 5.834566130505961E-13 -1.147304024703213E-12 7.180448245880427E-9 -9.65133408266365E-9 1.11729439729977E-8 1.78391272002974E-10
i 4.885927911767631E-16 -3.254463994262307E-16 3.683795833473652E-12 -1.780309901080817E-10 1.78391272002974E-10 6.411264474550768E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO434614  

437947 (2002 RT235)          Discovered 2002-Sep-11 by White, M., Collins, M. at Palomar
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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