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78559 (2002 RG154)
Classification: Main-belt Asteroid          SPK-ID: 2078559
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445259102183679 5.8166e-08  
a 2.564098404047494 1.3425e-08 au
q 2.193519748313066 1.5398e-07 au
i 14.72698095864474 5.3586e-06 deg
node 206.4700937831756 1.8646e-05 deg
peri 166.0487138752556 2.51e-05 deg
M 114.9456455860619 1.8385e-05 deg
tp 2458521.659933482670
(2019-Feb-07.15993348)		 7.4698e-05 TDB
period 1499.68642193734
4.11		 1.1778e-05
3.225e-08		 d
yr
n .2400501829808802 1.8853e-09 deg/d
Q 2.934677059781922 1.5365e-08 au
   Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:26:40  

Additional Information
 Earth MOID = 1.19764 au 
 Jupiter MOID = 2.53593 au 
 T_jup = 3.373 
[ 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 15.0   n/a MPO449494  
diameter diameter 2.451 km 0.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.294   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78559 (2002 RG154)          Discovered 2002-Sep-14 by Ametlla de Mar at Ametlla de Mar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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