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15261 (1990 SV12)
Classification: Main-belt Asteroid          SPK-ID: 2015261
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872131994995833 3.5878e-08  
a 3.164599849108248 1.859e-08 au
q 2.572144986220794 1.1735e-07 au
i 2.277560801244664 3.83e-06 deg
node 62.7737791197584 0.00010695 deg
peri 324.2324807748169 0.00010742 deg
M 66.65990716313149 1.0928e-05 deg
tp 2458619.750944093612
(2019-May-16.25094409)
6.138e-05 TDB
period 2056.253390675447
5.63
1.8119e-05
4.961e-08
d
yr
n .1750756991489973 1.5427e-09 deg/d
Q 3.757054711995702 2.207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      12465 days (34.13 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:14:36  

Additional Information
 Earth MOID = 1.57718 au 
 Jupiter MOID = 1.69307 au 
 T_jup = 3.175 
[ 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 13.4   n/a MPO416872  
diameter diameter 11.096 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15261 (1990 SV12)          Discovered 1990-Sep-21 by Debehogne, H. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SV12 = 1979 WB8 = 1985 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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