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JPL Small-Body Database Browser
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312611 (2009 RY68)
Classification: Jupiter Trojan          SPK-ID: 2312611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07885745294795124 1.2675e-07  
a 5.168493381630402 2.8724e-07 au
q 4.760919157976685 7.9091e-07 au
i 3.790785217705943 1.0358e-05 deg
node 147.0183277035867 0.00018836 deg
peri 228.9927852339281 0.00020935 deg
M 304.9405266404219 0.00010933 deg
tp 2459256.908091463154
(2021-Feb-11.40809146)
0.0013415 TDB
period 4291.848405150571
11.75
0.00035778
9.795e-07
d
yr
n .08387994309583964 6.9924e-09 deg/d
Q 5.576067605284119 3.0989e-07 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1996-09-07  
   last obs. used      2017-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:40:30  

Additional Information
 Earth MOID = 3.76284 au 
 Jupiter MOID = .0756472 au 
 T_jup = 2.989 
[ 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 13.9   n/a MPO413278  

312611 (2009 RY68)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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