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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08621605796897731 7.1374e-08  
a 2.92465490037427 1.7639e-08 au
q 2.672502683944348 2.124e-07 au
i 2.44148668231619 7.5994e-06 deg
node 32.01868836871247 0.00014195 deg
peri 279.1622958881243 0.00014988 deg
M 239.1304466928999 4.9232e-05 deg
tp 2459613.873184299500
(2022-Feb-03.37318430)
0.00024994 TDB
period 1826.881462751701
5.00
1.6527e-05
4.525e-08
d
yr
n .1970571202018535 1.7827e-09 deg/d
Q 3.176807116804191 1.916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      10103 days (27.66 yr)  
   first obs. used      1992-09-28  
   last obs. used      2020-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:35  

Additional Information
 Earth MOID = 1.65958 au 
 Jupiter MOID = 2.03404 au 
 T_jup = 3.272 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456921.5 (2014-Sep-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08395539519258841 7.0019e-08  
q 2.683439753676735 2.0768e-07 au
tp 2457782.139723738521
(2017-Jan-28.63972374)
0.00026024 TDB
node 32.09991506480746 0.00014199 deg
peri 278.0260339902323 0.00015053 deg
i 2.44015435935003 7.5877e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      10103 days (27.66 yr)  
   first obs. used      1992-09-28  
   last obs. used      2020-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:35  

Additional Information
 Jupiter MOID = 2.03404 au 
 T_jup = 3.272 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.902667733242511E-15 -1.449878366058781E-14 1.477933181196734E-11 -4.890121909639531E-14 2.868866278572076E-12 3.900746563722939E-15
q -1.449878366058781E-14 4.313186509539916E-14 -4.32264487104433E-11 1.529259921865292E-13 -8.429179378795622E-12 -1.207773153291442E-14
tp 1.477933181196734E-11 -4.32264487104433E-11 6.77229523146808E-8 -1.59704450791387E-10 1.306417987686368E-8 1.246775184072455E-11
node -4.890121909639531E-14 1.529259921865292E-13 -1.59704450791387E-10 2.016183802596236E-8 -2.017459111450231E-8 -7.850677540184575E-10
peri 2.868866278572076E-12 -8.429179378795622E-12 1.306417987686368E-8 -2.017459111450231E-8 2.266006227677111E-8 7.86801749224247E-10
i 3.900746563722939E-15 -1.207773153291442E-14 1.246775184072455E-11 -7.850677540184575E-10 7.86801749224247E-10 5.757265872905676E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO337847  
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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