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123112 (2000 SW357)
Classification: Main-belt Asteroid          SPK-ID: 2123112
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793888394856475 5.297e-08  
a 2.726996657309702 1.9069e-08 au
q 2.237803891673674 1.424e-07 au
i 14.77345057148076 6.0238e-06 deg
node 85.99488996184762 2.1323e-05 deg
peri 265.7212311906951 2.6784e-05 deg
M 148.8151293885129 1.5706e-05 deg
tp 2458320.561049169506
(2018-Jul-21.06104917)
7.1067e-05 TDB
period 1644.846349324697
4.50
1.7253e-05
4.724e-08
d
yr
n .2188654278545838 2.2957e-09 deg/d
Q 3.21618942294573 2.249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      7644 days (20.93 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:57:05  

Additional Information
 Earth MOID = 1.28991 au 
 Jupiter MOID = 2.35629 au 
 T_jup = 3.285 
[ 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 15.6   n/a MPO469279  

123112 (2000 SW357)          Discovered 2000-Sep-28 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2000 SW357 = 1999 KZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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