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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514644150544488 3.6262e-08  
a 3.178178500308428 1.9231e-08 au
q 2.696797552820587 1.1045e-07 au
i 4.245688949881197 3.8214e-06 deg
node 322.6196899875651 5.0901e-05 deg
peri 343.7332661397665 5.2658e-05 deg
M 99.69571217164975 1.496e-05 deg
tp 2458427.387561404060
(2018-Nov-04.88756140)
8.4213e-05 TDB
period 2069.502021704896
5.67
1.8784e-05
5.143e-08
d
yr
n .173954891671681 1.5789e-09 deg/d
Q 3.65955944779627 2.2144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2222  
   data-arc span      25174 days (68.92 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:54:45  

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

[ show close-approach data ]
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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