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78560 (2002 RL154)
Classification: Main-belt Asteroid          SPK-ID: 2078560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08950404786397871 3.7868e-08  
a 2.976095475650727 2.0811e-08 au
q 2.709722883750314 1.1013e-07 au
i 9.77603144470927 5.3739e-06 deg
node 318.5126171331838 2.3266e-05 deg
peri 124.3039272781153 4.2217e-05 deg
M 139.717582251981 3.2982e-05 deg
tp 2458668.691241997798
(2019-Jul-04.19124200)
0.00017146 TDB
period 1875.291202851299
5.13
1.967e-05
5.385e-08
d
yr
n .1919701854584694 2.0136e-09 deg/d
Q 3.24246806755114 2.2674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:22  

Additional Information
 Earth MOID = 1.74039 au 
 Jupiter MOID = 1.93672 au 
 T_jup = 3.233 
[ 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 14.64   n/a E2020-QM9  
diameter diameter 5.306 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78560 (2002 RL154)          Discovered 2002-Sep-10 by NEAT at Haleakala
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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