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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08938725898689119 3.8904e-08  
a 2.977402399572525 2.274e-08 au
q 2.711260560173744 1.1554e-07 au
i 9.775705610335576 6.1578e-06 deg
node 318.5113628494819 2.3291e-05 deg
peri 124.5869430882023 5.3326e-05 deg
M 63.4383305146218 4.3231e-05 deg
tp 2458669.823012548367
(2019-Jul-05.32301255)
0.00022624 TDB
period 1876.526612804696
5.14
2.1498e-05
5.886e-08
d
yr
n .1918438020241751 2.1978e-09 deg/d
Q 3.243544238971305 2.4772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:24  

Additional Information
 Earth MOID = 1.7418 au 
 Jupiter MOID = 1.93475 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457338.5 (2015-Nov-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08936413826204771 3.9202e-08  
q 2.711362589398821 1.1704e-07 au
tp 2456798.213237767395
(2014-May-20.71323777)
0.0002318 TDB
node 318.5427751911061 2.3286e-05 deg
peri 125.4514580528073 5.3173e-05 deg
i 9.776786863744196 6.1585e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:24  

Additional Information
 Jupiter MOID = 1.93475 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.536819511514962E-15 -4.514951639350555E-15 2.074414935467338E-12 -2.654192456690275E-15 4.002825139480777E-13 -2.032636950058242E-15
q -4.514951639350555E-15 1.369754689707572E-14 -7.958994213804145E-12 7.336930922633912E-15 -1.535925034996325E-12 5.990876009696987E-15
tp 2.074414935467338E-12 -7.958994213804145E-12 5.373265422229857E-8 -3.656463529251376E-11 1.108719741736431E-8 1.766682608663217E-11
node -2.654192456690275E-15 7.336930922633912E-15 -3.656463529251376E-11 5.42240044213344E-10 -5.415238936071638E-10 1.476122534971383E-11
peri 4.002825139480777E-13 -1.535925034996325E-12 1.108719741736431E-8 -5.415238936071638E-10 2.827322396219685E-9 -1.074848959457795E-11
i -2.032636950058242E-15 5.990876009696987E-15 1.766682608663217E-11 1.476122534971383E-11 -1.074848959457795E-11 3.79267715174345E-11

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 14.6   n/a MPO453206  
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

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