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2615 Saito (1951 RJ)
Classification: Main-belt Asteroid          SPK-ID: 2002615
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514644147683472 3.6278e-08  
a 3.178178500607385 1.9244e-08 au
q 2.696797553983544 1.1053e-07 au
i 4.245688803191101 3.8307e-06 deg
node 322.6196890415001 5.0925e-05 deg
peri 343.7332668300393 5.2684e-05 deg
M 99.69571233043172 1.4966e-05 deg
tp 2458427.387560410418
(2018-Nov-04.88756041)
8.4247e-05 TDB
period 2069.502021996898
5.67
1.8797e-05
5.146e-08
d
yr
n .1739548916471363 1.58e-09 deg/d
Q 3.659559447231226 2.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2192  
   data-arc span      24988 days (68.41 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:26:28  

Additional Information
 Earth MOID = 1.68224 au 
 Jupiter MOID = 1.59965 au 
 T_jup = 3.178 
[ 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 12.5   n/a MPO319116  
diameter diameter 15.555 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.960 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.088   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2615 Saito (1951 RJ)          Discovered 1951-Sep-04 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1909-Feb-09 20:57 00:03 Jupiter 1.89490104310816 1.89489948716867 1.89490259904879 2.59361980346011 2.4151318469856 2418347.372804501 2.86126406154272 124.562522081445 27.2208243942697 -67.9967450534032 1966859.54241511 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
1919-Dec-10 05:44 00:02 Jupiter 1.66818660821913 1.66818572091772 1.66818749552007 2.09230020459713 1.83363552223748 2422302.739203225 2.42563721795955 78.2411637046967 21.8927838501859 -80.9993668914788 1747490.46143152 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
1930-Oct-08 04:21 00:02 Jupiter 1.61580150987084 1.61580117243123 1.61580184731036 1.92789300042953 1.6335077142151 2426257.681499350 2.09524259039331 73.0016209027041 19.3538423979845 -74.4220244406173 3199482.95849439 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
1941-Jul-12 23:54 00:02 Jupiter 1.76946634828306 1.76946560672302 1.76946708984311 2.4658902728847 2.26345722342244 2430188.495551564 1.8515236768619 51.8554033805019 7.7963588750105 -77.0337523146913 2065739.98825892 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2028-Feb-20 00:13 < 00:01 Jupiter 1.96157793209855 1.96157750542156 1.96157835877542 2.70077082535408 2.53585284046472 2461821.509373657 0.492996733062498 49.4827893310986 14.0971284892398 85.6627952358188 3163464.2987491 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2038-Dec-16 12:01 < 00:01 Jupiter 1.71570173544899 1.71570136474348 1.71570210615441 2.16636765125204 1.92503803888664 2465774.000970950 0.822423468640809 79.7904593971123 17.6091513056202 -83.2044063885139 2971809.91410547 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2049-Oct-17 06:16 00:01 Jupiter 1.61828508914207 1.61828474772713 1.61828543055692 1.99485201091822 1.71248929665987 2469731.760922523 1.23362576295373 71.471303275798 18.2376210348511 -78.0403253000032 3035740.84665008 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2060-Jul-30 22:04 00:02 Jupiter 1.73220672268541 1.73220599845081 1.73220744691981 2.31908160500112 2.0976582586578 2473671.419704357 1.7234377067292 51.2489211509148 8.70308000957068 -75.3102664816268 1982177.68014138 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2071-Apr-25 18:30 00:02 Jupiter 1.96686590485761 1.96686498900796 1.96686682070782 3.5970812832718 3.47529886256868 2477592.270860307 2.06199048158016 77.7002697793378 15.9992292950451 -66.7223384048556 2699370.32603068 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2157-Dec-18 08:53 00:04 Jupiter 1.76777817898656 1.7677767203725 1.76777963760573 2.20929342099442 1.98057742135451 2509239.870350980 4.08422190756697 197.841503882554 20.6456738570457 -76.3494272469841 2052012.23315697 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2168-Oct-19 11:54 00:04 Jupiter 1.63345526232305 1.6334549334522 1.63345559119381 2.04323772544556 1.77136314587733 2513197.996095984 4.44869524090219 76.5618442259922 23.019070334721 -81.3140820673731 3135203.21299724 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2179-Aug-11 11:37 00:05 Jupiter 1.70413984303973 1.70413830793116 1.70414137814869 2.2618441962226 2.03023714549535 2517145.983831112 5.15593139906217 109.329367412458 10.0093384179708 -76.1193904102775 1701665.6895121 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26
2190-May-09 23:58 00:06 Jupiter 1.92093601362644 1.92093370050746 1.92093832674858 3.27591604985179 3.13842966630346 2521070.498660702 5.68910788418082 175.733835873853 15.5318622775019 -64.1537110780735 2170106.37946061 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:46 2020-Feb-22 16:26

Alternate Designations
 1951 RJ = 1955 FC2 = 1967 JS = 1979 OD13 = 1979 QB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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