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78513 (2002 RL87)
Classification: Main-belt Asteroid          SPK-ID: 2078513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0864811032791256 6.3393e-08  
a 2.924269788257313 1.7321e-08 au
q 2.671375710683006 1.9055e-07 au
i 2.441662782070324 7.0661e-06 deg
node 32.01684719614578 0.00013294 deg
peri 279.2889809948425 0.00013952 deg
M 317.0779233801034 4.2925e-05 deg
tp 2459614.272385124845
(2022-Feb-03.77238512)
0.0002177 TDB
period 1826.520635038489
5.00
1.6228e-05
4.443e-08
d
yr
n .1970960486807826 1.7512e-09 deg/d
Q 3.17716386583162 1.8819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      10506 days (28.76 yr)  
   first obs. used      1992-09-28  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:13  

Additional Information
 Earth MOID = 1.65789 au 
 Jupiter MOID = 2.03256 au 
 T_jup = 3.272 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.35   n/a E2020-QM9  
diameter diameter 3.746 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78513 (2002 RL87)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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