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JPL Small-Body Database Browser
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393827 (2005 SW81)
Classification: Main-belt Asteroid          SPK-ID: 2393827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09624298344693037 1.1708e-07  
a 3.158982064424085 5.58e-08 au
q 2.854952205888568 3.8006e-07 au
i 9.394488075602375 1.333e-05 deg
node 181.0708538111991 4.8069e-05 deg
peri 198.5899274817636 7.3538e-05 deg
M 209.8160296017967 6.0568e-05 deg
tp 2459856.039859071041
(2022-Oct-03.53985907)
0.00036074 TDB
period 2050.780442472969
5.61
5.4338e-05
1.488e-07
d
yr
n .1755429262656161 4.6512e-09 deg/d
Q 3.463011922959602 6.1171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4905 days (13.43 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:39:39  

Additional Information
 Earth MOID = 1.85829 au 
 Jupiter MOID = 2.00204 au 
 T_jup = 3.177 
[ 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 16.4   n/a MPO472042  

393827 (2005 SW81)          Discovered 2005-Aug-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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