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392544 (2011 SW4)
Classification: Main-belt Asteroid          SPK-ID: 2392544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2416423948429212 6.3742e-08  
a 2.365797523257667 2.6076e-08 au
q 1.794120544024232 1.4812e-07 au
i 4.39993748628895 9.9154e-06 deg
node 196.533330043729 9.5157e-05 deg
peri 128.0910009103864 9.8666e-05 deg
M 160.3701197852388 3.2469e-05 deg
tp 2458408.412709375506
(2018-Oct-16.91270938)
0.00011216 TDB
period 1329.121814651394
3.64
2.1975e-05
6.016e-08
d
yr
n .2708555348588737 4.4781e-09 deg/d
Q 2.937474502491101 3.2377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5587 days (15.30 yr)  
   first obs. used      2000-08-21  
   last obs. used      2015-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60347  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:41:45  

Additional Information
 Earth MOID = .786471 au 
 Jupiter MOID = 2.4243 au 
 T_jup = 3.504 
[ 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 18.1   n/a MPO294779  

392544 (2011 SW4)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 SW4 = 2000 QR93 = 2004 VY43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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