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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08941830626216055 3.8586e-08  
a 2.976731167057584 2.2343e-08 au
q 2.710556907901511 1.1401e-07 au
i 9.776006694590578 6.054e-06 deg
node 318.512450628526 2.3268e-05 deg
peri 124.4377381988981 5.1122e-05 deg
M 101.9574640914641 4.1154e-05 deg
tp 2458669.218891786214
(2019-Jul-04.71889179)
0.00021557 TDB
period 1875.892075791393
5.14
2.112e-05
5.782e-08
d
yr
n .1919086948795414 2.1607e-09 deg/d
Q 3.242905426213658 2.4341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:27:46  

Additional Information
 Earth MOID = 1.74086 au 
 Jupiter MOID = 1.93566 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08940119963875134 3.8835e-08  
q 2.710965561656377 1.1523e-07 au
tp 2456797.955861003137
(2014-May-20.45586100)
0.00022028 TDB
node 318.5399187762085 2.3264e-05 deg
peri 125.3886651072317 5.0999e-05 deg
i 9.77653635624919 6.0543e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:27:46  

Additional Information
 Jupiter MOID = 1.93566 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.508145307117593E-15 -4.404798632969087E-15 1.686645012289207E-12 -2.467363913085392E-15 3.195350395641291E-13 -2.105847453533253E-15
q -4.404798632969087E-15 1.327711051085009E-14 -6.479216535603745E-12 6.499842540984733E-15 -1.227571409242759E-12 6.336254821407381E-15
tp 1.686645012289207E-12 -6.479216535603745E-12 4.852361069005811E-8 -3.38077203693098E-11 1.000345406239966E-8 1.610194594163303E-11
node -2.467363913085392E-15 6.499842540984733E-15 -3.38077203693098E-11 5.412162844834986E-10 -5.399469150146452E-10 1.596496549468879E-11
peri 3.195350395641291E-13 -1.227571409242759E-12 1.000345406239966E-8 -5.399469150146452E-10 2.600872925267673E-9 -1.225907144539786E-11
i -2.105847453533253E-15 6.336254821407381E-15 1.610194594163303E-11 1.596496549468879E-11 -1.225907144539786E-11 3.665443723779009E-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 14.64   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1996-Nov-28 05:50 < 00:01 Jupiter 1.98311910703527 1.98311861519058 1.98311959887997 3.95109834731411 3.84147699845022 2450415.743340080 0.625434858977921 72.9351151844934 18.8549318222743 81.765599982549 2765495.53189654 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 19:27:49 2021-Feb-24 19:27
2033-Mar-28 13:05 < 00:01 Jupiter 1.94815884516705 1.94815821986767 1.94815947046688 4.16092068156817 4.05508308812839 2463685.045116570 0.688723445450824 121.508739174846 24.086184504868 83.0649860944059 2465880.30560958 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 19:27:49 2021-Feb-24 19:27
2151-Mar-27 19:01 00:04 Jupiter 1.96135287981744 1.96135198585787 1.96135377378369 3.99352612526265 3.88388187212633 2506782.292496878 4.42864057818328 221.642993857474 19.5835655497988 79.0897717796469 2717966.37669379 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 19:27:49 2021-Feb-24 19:27
2187-Jul-24 14:18 00:06 Jupiter 1.94460774102931 1.94460690254398 1.94460857951653 4.13051268344437 4.02367804739802 2520050.096039123 5.59628381440391 162.733271999944 27.6313018044508 80.4901392659889 2192317.57977567 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 19:27:49 2021-Feb-24 19:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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