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233604 (2007 RT308)
Classification: Main-belt Asteroid          SPK-ID: 2233604
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2713823512965582 5.9309e-08  
a 3.005929037641501 2.4786e-08 au
q 2.19017294757575 1.8796e-07 au
i 9.173093586226925 6.2727e-06 deg
node 202.63670658 2.5187e-05 deg
peri 320.408223108482 2.8252e-05 deg
M 16.01659317325384 8.2341e-06 deg
tp 2458915.809605423650
(2020-Mar-07.30960542)
4.3789e-05 TDB
period 1903.559746925395
5.21
2.3545e-05
6.446e-08
d
yr
n .1891193594429948 2.3392e-09 deg/d
Q 3.821685127707251 3.1513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:52:31  

Additional Information
 Earth MOID = 1.20627 au 
 Jupiter MOID = 1.2458 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2725293842451583 5.9231e-08  
q 2.185943730159496 1.8763e-07 au
tp 2457011.588255454666
(2014-Dec-20.08825545)
5.4241e-05 TDB
node 202.65822639586 2.5193e-05 deg
peri 320.3204341624573 2.8234e-05 deg
i 9.174268844880711 6.2742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:52:31  

Additional Information
 Jupiter MOID = 1.2458 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.508300829102747E-15 -1.10751923129384E-14 2.036647187039288E-12 -1.924176470949267E-14 4.76195706197429E-13 -1.356347150538706E-14
q -1.10751923129384E-14 3.520362668884936E-14 -6.731775352810262E-12 6.27295319860126E-14 -1.557124676554627E-12 4.250926015852892E-14
tp 2.036647187039288E-12 -6.731775352810262E-12 2.942076993827101E-9 -1.795532383274922E-11 7.000853069909845E-10 -7.643887227838526E-12
node -1.924176470949267E-14 6.27295319860126E-14 -1.795532383274922E-11 6.346641475277824E-10 -6.300078318725929E-10 -4.031774765301762E-11
peri 4.76195706197429E-13 -1.557124676554627E-12 7.000853069909845E-10 -6.300078318725929E-10 7.971544289890804E-10 3.822293718640679E-11
i -1.356347150538706E-14 4.250926015852892E-14 -7.643887227838526E-12 -4.031774765301762E-11 3.822293718640679E-11 3.936594196402977E-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 MPO418247  
diameter diameter 4.316 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

233604 (2007 RT308)          Discovered 2007-Sep-15 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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