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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2430623597078423 4.2891e-08  
a 2.397049908800592 9.3855e-09 au
q 1.814417301630052 1.033e-07 au
i 1.897880117214162 4.0895e-06 deg
node 66.39064160998841 0.00012074 deg
peri 309.3252635828881 0.00012092 deg
M 191.4280320491652 8.4005e-06 deg
tp 2459635.241505836748
(2022-Feb-24.74150584)
3.402e-05 TDB
period 1355.54531918305
3.71
7.9613e-06
2.18e-08
d
yr
n .265575775966651 1.5598e-09 deg/d
Q 2.979682515971132 1.1667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:46  

Additional Information
 Earth MOID = .816478 au 
 Jupiter MOID = 2.48283 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456972.5 (2014-Nov-11.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413267222206347 4.2686e-08  
q 1.819385371706558 1.0267e-07 au
tp 2456921.003658648266
(2014-Sep-20.50365865)
2.6475e-05 TDB
node 66.4612684374035 0.00012075 deg
peri 308.9211258875671 0.00012094 deg
i 1.897631935994106 4.0843e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:46  

Additional Information
 Jupiter MOID = 2.48283 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.822131943052864E-15 -4.371951887538435E-15 1.541396135326605E-13 -1.149578222980426E-14 1.637792693407843E-14 -4.569148048432528E-16
q -4.371951887538435E-15 1.054098203174164E-14 -3.162384346802977E-13 2.660298903978733E-14 -2.726392989333458E-14 1.101853414267009E-15
tp 1.541396135326605E-13 -3.162384346802977E-13 7.00933781104434E-10 -4.68026510997298E-12 1.959241867513857E-10 -2.267769052161713E-13
node -1.149578222980426E-14 2.660298903978733E-14 -4.68026510997298E-12 1.458123697461941E-8 -1.457363689542302E-8 -1.249994189127058E-10
peri 1.637792693407843E-14 -2.726392989333458E-14 1.959241867513857E-10 -1.457363689542302E-8 1.462744286224411E-8 1.248834582120127E-10
i -4.569148048432528E-16 1.101853414267009E-15 -2.267769052161713E-13 -1.249994189127058E-10 1.248834582120127E-10 1.668179782469996E-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

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