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393680 (2004 RA248)
Classification: Main-belt Asteroid          SPK-ID: 2393680
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2835915623031185 1.2936e-07  
a 3.133152942519643 3.8924e-08 au
q 2.244617204615885 4.0861e-07 au
i 21.0674637694683 9.2959e-06 deg
node 223.1469374978776 1.9212e-05 deg
peri 126.6594937099487 2.643e-05 deg
M 304.1395767404035 1.4476e-05 deg
tp 2459314.820380044522
(2021-Apr-10.32038004)
8.5101e-05 TDB
period 2025.679903823292
5.55
3.7748e-05
1.033e-07
d
yr
n .1777181080389512 3.3117e-09 deg/d
Q 4.021688680423402 4.9962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2003-05-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:56:16  

Additional Information
 Earth MOID = 1.3042 au 
 Jupiter MOID = 1.80492 au 
 T_jup = 3.050 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2842085356603179 1.3015e-07  
q 2.241206798537634 4.1149e-07 au
tp 2457294.531733567802
(2015-Sep-29.03173357)
6.7334e-05 TDB
node 223.1550162434813 1.9202e-05 deg
peri 127.0726832415883 2.6279e-05 deg
i 21.07977137376995 9.3008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2003-05-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:56:16  

Additional Information
 Jupiter MOID = 1.80492 au 
 T_jup = 3.050 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.694014482612134E-14 -5.343246627475435E-14 4.626533328002616E-12 2.361471145312472E-14 1.826397274915837E-12 -2.3265710193119E-13
q -5.343246627475435E-14 1.69327065088526E-13 -1.407834033470965E-11 -7.32055214105461E-14 -5.684404223716399E-12 7.377188732850131E-13
tp 4.626533328002616E-12 -1.407834033470965E-11 4.533806861452392E-9 5.704322326416646E-12 1.184891344685064E-9 -5.926734602213328E-11
node 2.361471145312472E-14 -7.32055214105461E-14 5.704322326416646E-12 3.687339633816997E-10 -3.415448389519426E-10 -5.847350725205898E-11
peri 1.826397274915837E-12 -5.684404223716399E-12 1.184891344685064E-9 -3.415448389519426E-10 6.906072496315488E-10 3.08714843516144E-11
i -2.3265710193119E-13 7.377188732850131E-13 -5.926734602213328E-11 -5.847350725205898E-11 3.08714843516144E-11 8.650444371764457E-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 MPO472040  

393680 (2004 RA248)          Discovered 2004-Jul-14 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

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