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15287 (1991 RX25)
Classification: Main-belt Asteroid          SPK-ID: 2015287
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034939228659342 1.7015e-08  
a 2.163368762608582 6.6834e-09 au
q 1.72313636649974 3.962e-08 au
i 5.055820599203048 8.3266e-07 deg
node 90.5298421812747 6.4048e-06 deg
peri 253.185232173869 9.5005e-06 deg
M 145.9126492484137 9.6074e-06 deg
tp 2458925.430809710229
(2020-Mar-16.93080971)		 2.9789e-05 TDB
period 1162.235826556765
3.18		 5.3858e-06
1.475e-08		 d
yr
n .3097478082968191 1.4354e-09 deg/d
Q 2.603601158717425 8.0434e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      11856 days (32.46 yr)  
   first obs. used      1988-12-11  
   last obs. used      2021-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:47:33  

Additional Information
 Earth MOID = .722846 au 
 Jupiter MOID = 2.80691 au 
 T_jup = 3.663 
[ 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 14.57   n/a E2021B10  
diameter diameter 2.835 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.505   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15287 (1991 RX25)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RX25 = 1988 XA2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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