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393655 (2004 RP)
Classification: Main-belt Asteroid          SPK-ID: 2393655
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 .2140865668590759 7.037e-08  
a 3.1530677495597 3.639e-08 au
q 2.478038299982392 2.3392e-07 au
i 15.1709276216037 5.8592e-06 deg
node 257.0664681758364 3.257e-05 deg
peri 38.02491914362744 3.6322e-05 deg
M 323.6515891677176 1.7231e-05 deg
tp 2459206.981576727419
(2020-Dec-23.48157673)
9.9178e-05 TDB
period 2045.023865413473
5.60
3.5403e-05
9.693e-08
d
yr
n .1760370654291672 3.0475e-09 deg/d
Q 3.828097199137009 4.4181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      5644 days (15.45 yr)  
   first obs. used      2004-08-11  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:51:45  

Additional Information
 Earth MOID = 1.48055 au 
 Jupiter MOID = 1.42433 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126037485576474 7.0473e-08  
q 2.484168882137945 2.3402e-07 au
tp 2457162.082065394493
(2015-May-19.58206539)
9.2365e-05 TDB
node 257.0761569152644 3.2573e-05 deg
peri 38.13767280340747 3.6373e-05 deg
i 15.16510633043071 5.857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      5644 days (15.45 yr)  
   first obs. used      2004-08-11  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:51:45  

Additional Information
 Jupiter MOID = 1.42433 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.966482857080999E-15 -1.638113080126536E-14 2.743164207857765E-12 8.513666650925851E-14 4.621650400675585E-13 -1.957530536020156E-14
q -1.638113080126536E-14 5.47651715616002E-14 -8.583394383970266E-12 -2.682117036283968E-13 -1.465229959429516E-12 6.859405962678117E-14
tp 2.743164207857765E-12 -8.583394383970266E-12 8.531353592846756E-9 8.492771052282132E-11 1.628644259129868E-9 -1.416121195693373E-11
node 8.513666650925851E-14 -2.682117036283968E-13 8.492771052282132E-11 1.06096973434121E-9 -1.006941077337815E-9 2.3359991744739E-11
peri 4.621650400675585E-13 -1.465229959429516E-12 1.628644259129868E-9 -1.006941077337815E-9 1.323008698563553E-9 -2.561835611171272E-11
i -1.957530536020156E-14 6.859405962678117E-14 -1.416121195693373E-11 2.3359991744739E-11 -2.561835611171272E-11 3.430408930161252E-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 15.2   n/a MPO472040  
diameter diameter 5.159 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

393655 (2004 RP)          Discovered 2004-Sep-03 by NEAT at Palomar
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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