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JPL Small-Body Database Browser
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305543 (2008 QY40)
Classification: TransNeptunian Object          SPK-ID: 2305543
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4096898118555071 0.00013213  
a 62.3717726039838 0.014857 au
q 36.81869282076321 0.00089583 au
i 25.16367326869523 0.0001792 deg
node 43.18441186015755 0.00044199 deg
peri 331.4049088729469 0.0099771 deg
M 357.8265593896672 0.003484 deg
tp 2460086.740106496757
(2023-May-22.24010650)
1.8255 TDB
period 179920.4618151328
492.60
64.285
0.176
d
yr
n .002000884148296028 7.1491e-07 deg/d
Q 87.9248523872044 0.020944 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      2519 days (6.90 yr)  
   first obs. used      2008-08-25  
   last obs. used      2015-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .32242  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:23:31  

Additional Information
 Earth MOID = 35.8419 au 
 Jupiter MOID = 31.9507 au 
 T_jup = 5.801 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.5   n/a MPO386269  

305543 (2008 QY40)          Discovered 2008-Aug-25 by Schwamb, M. E., Brown, M. E., Rabinowitz, D. at Palomar
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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