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70413 (1999 SJ5)
Classification: Main-belt Asteroid          SPK-ID: 2070413
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2430623609920234 4.2912e-08  
a 2.397049910239923 9.4927e-09 au
q 1.81441729964129 1.0332e-07 au
i 1.897879926287064 4.1658e-06 deg
node 66.39063589650381 0.00012292 deg
peri 309.3252668601465 0.00012313 deg
M 191.4280329958028 8.4495e-06 deg
tp 2459635.241502843980
(2022-Feb-24.74150284)
3.4139e-05 TDB
period 1355.545320403974
3.71
8.0523e-06
2.205e-08
d
yr
n .2655757757274498 1.5776e-09 deg/d
Q 2.979682520838557 1.18e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:38:34  

Additional Information
 Earth MOID = .816478 au 
 Jupiter MOID = 2.48283 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456791.5 (2014-May-14.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414345196090243 4.2705e-08  
q 1.819392134353464 1.027e-07 au
tp 2456920.982033144605
(2014-Sep-20.48203314)
2.7022e-05 TDB
node 66.46286877842299 0.00012295 deg
peri 308.9104892207882 0.00012315 deg
i 1.897624670526666 4.1605e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:38:34  

Additional Information
 Jupiter MOID = 2.48283 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.823689147454839E-15 -4.374754730839026E-15 1.467197403440919E-13 -1.294568374894406E-14 1.455146920381745E-14 -5.057407648884038E-16
q -4.374754730839026E-15 1.054660222341337E-14 -3.041104801798418E-13 3.001247503393209E-14 -2.530163753684174E-14 1.215889564188988E-15
tp 1.467197403440919E-13 -3.041104801798418E-13 7.301658868876492E-10 -4.956438356828716E-12 2.090259146758994E-10 -2.498101338617852E-13
node -1.294568374894406E-14 3.001247503393209E-14 -4.956438356828716E-12 1.51157470192694E-8 -1.510781306054237E-8 -1.066909351530966E-10
peri 1.455146920381745E-14 -2.530163753684174E-14 2.090259146758994E-10 -1.510781306054237E-8 1.516691127320354E-8 1.065805578073457E-10
i -5.057407648884038E-16 1.215889564188988E-15 -2.498101338617852E-13 -1.066909351530966E-10 1.065805578073457E-10 1.730973128387934E-11

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 15.9   n/a MPO468644  
diameter diameter 2.116 km 0.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.90 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.207   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70413 (1999 SJ5)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SJ5 = 1999 RL74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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