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15692 (1984 RA)
Classification: Inner Main-belt Asteroid          SPK-ID: 2015692
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020781301375651 3.3344e-08  
a 1.92627041941541 5.365e-09 au
q 1.729640336862182 6.5122e-08 au
i 23.22020581988388 3.9903e-06 deg
node 142.5654466489696 8.7701e-06 deg
peri 273.2134637297888 2.2869e-05 deg
M 73.37676086287225 1.928e-05 deg
tp 2458801.464590937486
(2019-Nov-13.96459094)
5.2473e-05 TDB
period 976.5046374343339
2.67
4.0796e-06
1.117e-08
d
yr
n .368661843681422 1.5402e-09 deg/d
Q 2.122900501968639 5.9126e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      15783 days (43.21 yr)  
   first obs. used      1976-11-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:25:14  

Additional Information
 Earth MOID = .859651 au 
 Jupiter MOID = 3.11701 au 
 T_jup = 3.814 
[ 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 15.0   n/a MPO449065  
diameter diameter 1.728 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 37.44 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. (2014) Minor Planet Bull. 41, 27-32.]
geometric albedo albedo 0.780   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15692 (1984 RA)          Discovered 1984-Sep-01 by Barucci, M. A. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1984 RA = 1986 JT1 = 1992 SZ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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