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(2013 SJ44)
Classification: Main-belt Asteroid          SPK-ID: 3471713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09956851298534948 1.1603e-07  
a 2.576469578997026 5.0778e-08 au
q 2.319934334264303 3.1403e-07 au
i 9.539767936608127 9.6454e-06 deg
node 284.1480052203676 5.9512e-05 deg
peri 73.10999589491308 7.7573e-05 deg
M 223.8475626689029 4.9591e-05 deg
tp 2459571.792963367554
(2021-Dec-23.29296337)
0.00021532 TDB
period 1510.552956993195
4.14
4.4655e-05
1.223e-07
d
yr
n .238323322815899 7.0454e-09 deg/d
Q 2.833004823729749 5.5834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      3845 days (10.53 yr)  
   first obs. used      2009-10-14  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-19 19:47:22  

Additional Information
 Earth MOID = 1.33594 au 
 Jupiter MOID = 2.56938 au 
 T_jup = 3.401 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a E2013U59  

[ show close-approach data ]
Alternate Designations
 2013 SJ44 = 2009 UZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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