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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09371820301224341 5.7558e-08  
a 5.15294269964473 1.476e-07 au
q 4.670018169608968 3.9675e-07 au
i 20.47028190108877 7.5688e-06 deg
node 227.8489945743102 1.242e-05 deg
peri 104.9449212216831 4.9187e-05 deg
M 292.4946252431565 5.112e-05 deg
tp 2460197.656293131076
(2023-Sep-10.15629313)
0.00063042 TDB
period 4272.493361692634
11.70
0.00018358
5.026e-07
d
yr
n .08425993197035157 3.6204e-09 deg/d
Q 5.635867229680493 1.6144e-07 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      2000-08-05  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:58:29  

Additional Information
 Earth MOID = 3.73297 au 
 Jupiter MOID = .00817389 au 
 T_jup = 2.866 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457865.5 (2017-Apr-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09218932123297742 5.744e-08  
q 4.680649091102978 3.9655e-07 au
tp 2455930.366110193244
(2012-Jan-03.86611019)
0.00052953 TDB
node 227.8512054166508 1.2421e-05 deg
peri 105.3554103693875 5.0042e-05 deg
i 20.46522190869986 7.5671e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      2000-08-05  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:58:29  

Additional Information
 Jupiter MOID = .00817389 au 
 T_jup = 2.866 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.299318416396571E-15 -2.199138753414031E-14 -4.153149997856512E-12 1.11236285029271E-15 -4.776243834399477E-13 -1.474639104509078E-14
q -2.199138753414031E-14 1.572537724116002E-13 5.68938975702263E-11 -1.270206630622586E-14 6.218075892576605E-12 1.126573727638546E-13
tp -4.153149997856512E-12 5.68938975702263E-11 2.804056618694568E-7 -6.014473008322854E-11 2.557277782541037E-8 9.365053958240426E-11
node 1.11236285029271E-15 -1.270206630622586E-14 -6.014473008322854E-11 1.542714895046511E-10 -1.497717820944992E-10 1.21030468335783E-12
peri -4.776243834399477E-13 6.218075892576605E-12 2.557277782541037E-8 -1.497717820944992E-10 2.504172160242332E-9 8.022247800984476E-12
i -1.474639104509078E-14 1.126573727638546E-13 9.365053958240426E-11 1.21030468335783E-12 8.022247800984476E-12 5.726037687700228E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.98   n/a MPO638532  

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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