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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873612606028303 3.443e-08  
a 3.164566161284662 1.7596e-08 au
q 2.571649056045308 1.1142e-07 au
i 2.277463639959339 3.6023e-06 deg
node 62.76690166621844 0.00010482 deg
peri 324.2300328903714 0.00010528 deg
M 101.6675861166466 1.0766e-05 deg
tp 2458619.802831825077
(2019-May-16.30283182)
5.9937e-05 TDB
period 2056.220556895305
5.63
1.715e-05
4.695e-08
d
yr
n .1750784947620431 1.4603e-09 deg/d
Q 3.757483266524016 2.0893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      12816 days (35.09 yr)  
   first obs. used      1985-12-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:23:00  

Additional Information
 Earth MOID = 1.57545 au 
 Jupiter MOID = 1.69383 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 13.51   n/a E2021B10  
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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