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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471604684676053 6.9232e-08  
q 2.17813910262728 1.7076e-07 au
tp 2456859.235992147110
(2014-Jul-20.73599215)
0.00010686 TDB
node 2.422530619519601 2.3241e-05 deg
peri 248.5221821977894 3.4817e-05 deg
i 12.50032365355456 8.6674e-06 deg
  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
 Jupiter MOID = 2.19383 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.793063882593223E-15 -1.170997669737298E-14 -5.002565668890742E-12 -3.116214415913378E-14 -1.297877515320424E-12 -2.347586567349963E-14
q -1.170997669737298E-14 2.916037142073264E-14 1.210421706036206E-11 7.477908817244339E-14 3.190827519801954E-12 5.909874516392231E-14
tp -5.002565668890742E-12 1.210421706036206E-11 1.141849924122619E-8 7.211705115464756E-11 2.782883926427799E-9 4.528612069761706E-11
node -3.116214415913378E-14 7.477908817244339E-14 7.211705115464756E-11 5.401251762097672E-10 -5.086932667419042E-10 1.021132827233854E-10
peri -1.297877515320424E-12 3.190827519801954E-12 2.782883926427799E-9 -5.086932667419042E-10 1.212232528087526E-9 -8.817150728249081E-11
i -2.347586567349963E-14 5.909874516392231E-14 4.528612069761706E-11 1.021132827233854E-10 -8.817150728249081E-11 7.512379170760464E-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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