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135855 (2002 ST53)
Classification: Main-belt Asteroid          SPK-ID: 2135855
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506030901694468 3.4047e-08  
a 2.640585020503489 1.3152e-08 au
q 2.242904756560512 8.7594e-08 au
i 12.20447430953736 4.021e-06 deg
node 275.4948280117301 2.3105e-05 deg
peri 172.4349872844221 3.0618e-05 deg
M 77.66314815572433 1.9002e-05 deg
tp 2459058.387559733712
(2020-Jul-27.88755973)
8.2168e-05 TDB
period 1567.287463698987
4.29
1.1709e-05
3.206e-08
d
yr
n .2296962161302284 1.7161e-09 deg/d
Q 3.038265284446467 1.5133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:17:06  

Additional Information
 Earth MOID = 1.26002 au 
 Jupiter MOID = 2.17372 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457684.5 (2016-Oct-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484395424980477 3.3951e-08  
q 2.249267919278917 8.7057e-08 au
tp 2457490.253722659852
(2016-Apr-11.75372266)
8.2728e-05 TDB
node 275.613462702624 2.3141e-05 deg
peri 172.3041799967959 3.0927e-05 deg
i 12.18902423220147 4.0182e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:17:06  

Additional Information
 Jupiter MOID = 2.17372 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152681944644859E-15 -2.932926852847978E-15 4.262648513601308E-13 1.992592896558823E-15 1.160162376384474E-13 -4.617746511072458E-16
q -2.932926852847978E-15 7.578995737123902E-15 -1.073480955753314E-12 -2.079281359536427E-15 -2.924998351757288E-13 1.652333386947639E-15
tp 4.262648513601308E-13 -1.073480955753314E-12 6.843888544366448E-9 3.388975363534388E-11 1.726727817073866E-9 4.217207748845308E-12
node 1.992592896558823E-15 -2.079281359536427E-15 3.388975363534388E-11 5.35517723563801E-10 -5.14420564591161E-10 1.394941116721599E-11
peri 1.160162376384474E-13 -2.924998351757288E-13 1.726727817073866E-9 -5.14420564591161E-10 9.56474086883086E-10 -1.261905656083004E-11
i -4.617746511072458E-16 1.652333386947639E-15 4.217207748845308E-12 1.394941116721599E-11 -1.261905656083004E-11 1.614576781815218E-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 15.13   n/a MPCxxxxx  

135855 (2002 ST53)          Discovered 2002-Sep-20 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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