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JPL Small-Body Database Browser
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312468 (2008 SY61)
Classification: Jupiter Trojan          SPK-ID: 2312468
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05337619278149958 9.5251e-08  
a 5.086874664044979 3.0174e-07 au
q 4.815356661321588 6.7115e-07 au
i 8.290187766372034 9.5856e-06 deg
node 149.2123378129955 6.3534e-05 deg
peri 256.5809352141274 0.00012903 deg
M 267.7668432828874 0.00012275 deg
tp 2459674.142153793216
(2022-Apr-04.64215379)
0.00149 TDB
period 4190.58816940444
11.47
0.00037286
1.021e-06
d
yr
n .08590679528672526 7.6435e-09 deg/d
Q 5.35839266676837 3.1784e-07 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:58  

Additional Information
 Earth MOID = 3.83591 au 
 Jupiter MOID = .0232818 au 
 T_jup = 2.977 
[ 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 14.0   n/a MPO413277  

312468 (2008 SY61)          Discovered 2008-Sep-21 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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