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15786 (1993 RS)
Classification: Inner Main-belt Asteroid          SPK-ID: 2015786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04780912265572585 4.6307e-08  
a 1.883398248479533 5.4277e-09 au
q 1.793354630608396 8.7047e-08 au
i 22.48016651069487 4.9643e-06 deg
node 351.4858299862152 1.0901e-05 deg
peri 46.11188509729657 5.1884e-05 deg
M 86.26330422674982 4.8548e-05 deg
tp 2458774.277780639566
(2019-Oct-17.77778064)
0.00012744 TDB
period 944.0862450119558
2.58
4.0811e-06
1.117e-08
d
yr
n .3813210942348185 1.6484e-09 deg/d
Q 1.97344186635067 5.6872e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      24463 days (66.98 yr)  
   first obs. used      1953-02-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:00  

Additional Information
 Earth MOID = .810837 au 
 Jupiter MOID = 3.1511 au 
 T_jup = 3.873 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO502290  
diameter diameter 3.841 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.82 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:
[Warner, B.D. (2015) Minor Planet Bull. 42, 108-114.]
geometric albedo albedo 0.274   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

15786 (1993 RS)          Discovered 1993-Sep-15 by Endate, K., Watanabe, K. at Kitami
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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