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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505730837611842 3.4122e-08  
a 2.640867085497812 1.314e-08 au
q 2.243223584630996 8.7814e-08 au
i 12.20492314894449 4.0335e-06 deg
node 275.4992616850475 2.3104e-05 deg
peri 172.4837754319922 3.062e-05 deg
M 32.60274984074562 1.8927e-05 deg
tp 2459058.538698130689
(2020-Jul-28.03869813)
8.2186e-05 TDB
period 1567.538594829859
4.29
1.1699e-05
3.203e-08
d
yr
n .2296594171188968 1.714e-09 deg/d
Q 3.038510586364629 1.5118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:22:00  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.17285 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457672.5 (2016-Oct-11.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484269543450813 3.4013e-08  
q 2.249252748765195 8.7258e-08 au
tp 2457490.234845502523
(2016-Apr-11.73484550)
8.2737e-05 TDB
node 275.6142006578062 2.3143e-05 deg
peri 172.2978067057074 3.0933e-05 deg
i 12.18916018235376 4.0305e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:22:00  

Additional Information
 Jupiter MOID = 2.17285 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.156866875879838E-15 -2.945020755023501E-15 4.26282850168923E-13 1.922826927998984E-15 1.164849106264718E-13 -4.394659747401669E-16
q -2.945020755023501E-15 7.613879615768847E-15 -1.073332531880411E-12 -1.914181420474087E-15 -2.937715367777246E-13 1.609959581108532E-15
tp 4.26282850168923E-13 -1.073332531880411E-12 6.845425133590612E-9 3.372905568821332E-11 1.727331177075192E-9 4.357989366594922E-12
node 1.922826927998984E-15 -1.914181420474087E-15 3.372905568821332E-11 5.356212390089143E-10 -5.14565959861711E-10 1.384403569589098E-11
peri 1.164849106264718E-13 -2.937715367777246E-13 1.727331177075192E-9 -5.14565959861711E-10 9.568252076011736E-10 -1.247940645491102E-11
i -4.394659747401669E-16 1.609959581108532E-15 4.357989366594922E-12 1.384403569589098E-11 -1.247940645491102E-11 1.624511535416987E-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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