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437469 (2013 YJ40)
Classification: Main-belt Asteroid          SPK-ID: 2437469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03970788437477683 5.1696e-08  
a 2.983268114251282 5.2961e-08 au
q 2.864808848911634 1.5424e-07 au
i 7.815768518693928 6.2485e-06 deg
node 274.4704763082449 4.6089e-05 deg
peri 204.164675651955 0.00010279 deg
M 92.28118222230921 8.9059e-05 deg
tp 2458518.055338303064
(2019-Feb-03.55533830)
0.00047003 TDB
period 1882.0746985284
5.15
5.0118e-05
1.372e-07
d
yr
n .1912782740671691 5.0936e-09 deg/d
Q 3.101727379590931 5.5064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      4545 days (12.44 yr)  
   first obs. used      2007-11-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:41:25  

Additional Information
 Earth MOID = 1.88316 au 
 Jupiter MOID = 1.99906 au 
 T_jup = 3.243 
[ 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 16.3   n/a MPO428069  

437469 (2013 YJ40)          Discovered 2007-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 YJ40 = 2007 WS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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