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385284 (2001 SA274)
Classification: Main-belt Asteroid          SPK-ID: 2385284
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692716900961608 6.141e-08  
a 2.425368492342247 1.4483e-08 au
q 2.014822268537497 1.5241e-07 au
i 1.069825296389694 9.5579e-06 deg
node 187.1881020531808 0.0002782 deg
peri 229.3006526703325 0.00027989 deg
M 345.2710534963703 2.7795e-05 deg
tp 2459256.946134725793
(2021-Feb-11.44613473)
0.00010658 TDB
period 1379.637606551002
3.78
1.2358e-05
3.383e-08
d
yr
n .2609380885897818 2.3373e-09 deg/d
Q 2.835914716146996 1.6935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      7071 days (19.36 yr)  
   first obs. used      2001-08-27  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:49  

Additional Information
 Earth MOID = 1.02613 au 
 Jupiter MOID = 2.50318 au 
 T_jup = 3.491 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.27   n/a MPCxxxxx  

385284 (2001 SA274)          Discovered 2001-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

Alternate Designations
 2001 SA274 = 2005 SO51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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