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214464 (2005 SW146)
Classification: Main-belt Asteroid          SPK-ID: 2214464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22544219985836 4.5482e-08  
a 3.093257495554114 2.6331e-08 au
q 2.395906721028033 1.4443e-07 au
i 17.41061617688296 5.6187e-06 deg
node 197.2073291436221 1.8021e-05 deg
peri 155.5673434188319 2.5454e-05 deg
M 267.6569176241285 1.9469e-05 deg
tp 2459510.211467077843
(2021-Oct-22.71146708)
0.00011243 TDB
period 1987.112877617887
5.44
2.5373e-05
6.947e-08
d
yr
n .1811673629892435 2.3133e-09 deg/d
Q 3.790608270080195 3.2267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      6206 days (16.99 yr)  
   first obs. used      2003-04-30  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:41  

Additional Information
 Earth MOID = 1.40279 au 
 Jupiter MOID = 1.73878 au 
 T_jup = 3.116 
[ 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 15.3   n/a MPO433402  

214464 (2005 SW146)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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