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390326 (2013 BR17)
Classification: Jupiter Trojan          SPK-ID: 2390326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04390096912323324 4.5543e-07  
a 5.233525808595592 3.6286e-06 au
q 5.003768953666792 1.656e-06 au
i 8.053061078430241 1.2962e-05 deg
node 242.8882108863714 0.0001082 deg
peri 175.3298422700342 0.00096944 deg
M 274.5023881803527 0.0011964 deg
tp 2460039.083611418529
(2023-Apr-04.58361142)
0.015603 TDB
period 4373.105776327083
11.97
0.0045481
1.245e-05
d
yr
n .08232135658569859 8.5616e-08 deg/d
Q 5.463282663524391 3.7879e-06 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      2397 days (6.56 yr)  
   first obs. used      2009-09-19  
   last obs. used      2016-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .66858  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:40:55  

Additional Information
 Earth MOID = 4.01611 au 
 Jupiter MOID = .0474595 au 
 T_jup = 2.978 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO476837  

390326 (2013 BR17)          Discovered 2009-Sep-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

Alternate Designations
 2013 BR17 = 2009 SG148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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