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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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

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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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