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JPL Small-Body Database Browser
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160899 (2001 SG287)
Classification: Main-belt Asteroid          SPK-ID: 2160899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3102286895120372 5.4079e-08  
a 2.695675441732303 1.5868e-08 au
q 1.859399582093908 1.527e-07 au
i 8.691280098324562 6.0186e-06 deg
node 148.8357645700058 2.9468e-05 deg
peri 262.8956553210386 3.1747e-05 deg
M 341.6984785325864 1.3956e-05 deg
tp 2458682.683479563031
(2019-Jul-18.18347956)
6.3254e-05 TDB
period 1616.589784372291
4.43
1.4274e-05
3.908e-08
d
yr
n .2226910026774574 1.9663e-09 deg/d
Q 3.531951301370697 2.079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7415 days (20.30 yr)  
   first obs. used      1998-03-04  
   last obs. used      2018-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63776  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:47:43  

Additional Information
 Earth MOID = .893189 au 
 Jupiter MOID = 1.94846 au 
 T_jup = 3.283 
[ 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 15.7   n/a MPO417856  

160899 (2001 SG287)          Discovered 2001-Sep-22 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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