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117183 (2004 RY78)
Classification: Main-belt Asteroid          SPK-ID: 2117183
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385918939256431 2.9761e-08  
a 2.322714300624949 9.0411e-09 au
q 2.000804926653162 6.7487e-08 au
i 8.981698993057481 4.5134e-06 deg
node 187.7971845689747 2.0002e-05 deg
peri 283.6243235772942 2.644e-05 deg
M 69.31005649901751 1.606e-05 deg
tp 2458751.565053037984
(2019-Sep-25.06505304)
5.7731e-05 TDB
period 1292.980924169298
3.54
7.5493e-06
2.067e-08
d
yr
n .2784263814497413 1.6256e-09 deg/d
Q 2.644623674596736 1.0294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10257 days (28.08 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:36  

Additional Information
 Earth MOID = 1.03909 au 
 Jupiter MOID = 2.49133 au 
 T_jup = 3.547 
[ 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 MPO412802  
diameter diameter 4.102 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117183 (2004 RY78)          Discovered 2004-Sep-08 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 RY78 = 1999 JH66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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