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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470828432217971 6.9557e-08  
a 2.55399415072702 2.882e-08 au
q 2.178345429466251 1.7174e-07 au
i 12.49373991532116 8.6632e-06 deg
node 2.390308026824638 2.3265e-05 deg
peri 248.3037511068349 3.4696e-05 deg
M 157.3705830019995 2.4941e-05 deg
tp 2458348.797589639147
(2018-Aug-18.29758964)
0.00010278 TDB
period 1490.830517714522
4.08
2.5234e-05
6.909e-08
d
yr
n .2414761407969354 4.0873e-09 deg/d
Q 2.929642871987788 3.3059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2003-09-21  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:31:12  

Additional Information
 Earth MOID = 1.20143 au 
 Jupiter MOID = 2.19383 au 
 T_jup = 3.390 
[ show covariance matrix ]

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

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