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70415 (1999 SJ11)
Classification: Main-belt Asteroid          SPK-ID: 2070415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06280699003042634 3.6749e-08  
a 2.668719417214722 1.404e-08 au
q 2.501105183383712 9.3669e-08 au
i 6.241632212560194 3.9079e-06 deg
node 92.03157966151537 3.8912e-05 deg
peri 36.39340033777422 5.7451e-05 deg
M 170.8883886507743 4.4567e-05 deg
tp 2458244.602595565303
(2018-May-06.10259557)
0.00019475 TDB
period 1592.402314428739
4.36
1.2567e-05
3.441e-08
d
yr
n .2260735222110921 1.7841e-09 deg/d
Q 2.836333651045732 1.4922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      9933 days (27.20 yr)  
   first obs. used      1993-05-21  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:27:17  

Additional Information
 Earth MOID = 1.51961 au 
 Jupiter MOID = 2.20311 au 
 T_jup = 3.371 
[ 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 14.4   n/a MPO474582  
diameter diameter 3.355 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.359   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70415 (1999 SJ11)          Discovered 1999-Sep-30 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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