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283510 (2001 SD355)
Classification: Jupiter Trojan          SPK-ID: 2283510
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09371820349437678 5.7567e-08  
a 5.15294273155991 1.5696e-07 au
q 4.670018196048709 3.992e-07 au
i 20.47028202306541 7.9105e-06 deg
node 227.8489945220821 1.3027e-05 deg
peri 104.9449314282031 5.2051e-05 deg
M 292.4946131893659 5.4938e-05 deg
tp 2460197.656443628954
(2023-Sep-10.15644363)
0.00067865 TDB
period 4272.493401385699
11.70
0.00019521
5.345e-07
d
yr
n .08425993118754521 3.8499e-09 deg/d
Q 5.635867267071112 1.7167e-07 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7612 days (20.84 yr)  
   first obs. used      2000-08-05  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:51:14  

Additional Information
 Earth MOID = 3.73297 au 
 Jupiter MOID = .00817384 au 
 T_jup = 2.866 
[ 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 12.99   n/a MPO614063  

283510 (2001 SD355)          Discovered 2001-Sep-19 by NEAT at Palomar
Reference: 20110813/Numbers.arcLast Updated: 2011-08-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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