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385286 (2001 SA355)
Classification: Main-belt Asteroid          SPK-ID: 2385286
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2326437007848158 7.9239e-08  
a 3.114971681516417 4.0145e-08 au
q 2.390293141688537 2.4021e-07 au
i 12.50704035329186 1.359e-05 deg
node 351.4257273909876 3.1183e-05 deg
peri 73.51251377965748 4.1538e-05 deg
M 146.0985410586688 2.8425e-05 deg
tp 2458385.565020603832
(2018-Sep-24.06502060)
0.0001502 TDB
period 2008.073389759651
5.50
3.8819e-05
1.063e-07
d
yr
n .179276316212272 3.4657e-09 deg/d
Q 3.839650221344297 4.9484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:49  

Additional Information
 Earth MOID = 1.43817 au 
 Jupiter MOID = 1.80013 au 
 T_jup = 3.140 
[ 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 15.85   n/a E2021B25  

385286 (2001 SA355)          Discovered 2001-Sep-20 by LONEOS at Anderson Mesa
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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