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300419 (2007 RO321)
Classification: Main-belt Asteroid          SPK-ID: 2300419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468656950529936 5.9885e-08  
a 2.554487389121615 2.6527e-08 au
q 2.179320823214162 1.5163e-07 au
i 12.49307776453653 7.6636e-06 deg
node 2.382848279198525 2.262e-05 deg
peri 248.3301094647231 3.1672e-05 deg
M 205.6330341843766 2.34e-05 deg
tp 2459839.949038273253
(2022-Sep-17.44903827)
0.00010053 TDB
period 1491.262412019712
4.08
2.3229e-05
6.36e-08
d
yr
n .2414062053052279 3.7603e-09 deg/d
Q 2.929653955029068 3.0423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2003-09-21  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:04:55  

Additional Information
 Earth MOID = 1.20103 au 
 Jupiter MOID = 2.19266 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457509.5 (2016-May-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472339997277239 5.9664e-08  
q 2.177814258246094 1.5092e-07 au
tp 2456859.272945518007
(2014-Jul-20.77294552)
9.2493e-05 TDB
node 2.422457663407662 2.2598e-05 deg
peri 248.5149408501642 3.172e-05 deg
i 12.50030563889904 7.6681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2003-09-21  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:04:55  

Additional Information
 Jupiter MOID = 2.19266 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.559737579931942E-15 -8.904443641484548E-15 -3.124765896707156E-12 -8.764258426216209E-15 -8.307547493733041E-13 -9.347887511002425E-15
q -8.904443641484548E-15 2.277767977550779E-14 7.832297929652807E-12 2.188666116066722E-14 2.130028648857617E-12 2.550603529093264E-14
tp -3.124765896707156E-12 7.832297929652807E-12 8.555028776516697E-9 4.014555793133295E-11 2.068611275942529E-9 2.53565440247018E-11
node -8.764258426216209E-15 2.188666116066722E-14 4.014555793133295E-11 5.106568798284396E-10 -4.88184990748595E-10 8.019472788264235E-11
peri -8.307547493733041E-13 2.130028648857617E-12 2.068611275942529E-9 -4.88184990748595E-10 1.006185045888434E-9 -7.191456474935623E-11
i -9.347887511002425E-15 2.550603529093264E-14 2.53565440247018E-11 8.019472788264235E-11 -7.191456474935623E-11 5.880050349766535E-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 15.7   n/a MPO440418  
diameter diameter 2.270 km 0.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

300419 (2007 RO321)          Discovered 2007-Sep-14 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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