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385385 (2002 ST72)
Classification: Mars-crossing Asteroid          SPK-ID: 2385385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299070842357289 1.3677e-07  
a 1.89502679265043 1.8234e-08 au
q 1.648849387468627 2.5351e-07 au
i 19.4797634901821 2.2904e-05 deg
node 356.0277839535381 3.0288e-05 deg
peri 98.92667452419222 0.00010489 deg
M 266.3021466100587 0.00010152 deg
tp 2459448.498240339483
(2021-Aug-21.99824034)
0.00027054 TDB
period 952.8432433842511
2.61
1.3753e-05
3.765e-08
d
yr
n .377816605721392 5.4531e-09 deg/d
Q 2.141204197832232 2.0603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      6579 days (18.01 yr)  
   first obs. used      2002-09-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .73703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:11  

Additional Information
 Earth MOID = .763251 au 
 Jupiter MOID = 3.02168 au 
 T_jup = 3.874 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO360826  

385385 (2002 ST72)          Discovered 2002-Sep-16 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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