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JPL Small-Body Database Browser
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160897 (2001 SB257)
Classification: Main-belt Asteroid          SPK-ID: 2160897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981627685797925 8.3752e-08  
a 2.141274772983257 2.213e-08 au
q 1.716953835678828 1.9406e-07 au
i 3.869382809144541 6.3816e-06 deg
node 187.3153135503348 7.2108e-05 deg
peri 144.37051275547 7.865e-05 deg
M 253.2888978435762 4.4591e-05 deg
tp 2458939.745528700522
(2020-Mar-31.24552870)
0.00014671 TDB
period 1144.476890072455
3.13
1.7742e-05
4.857e-08
d
yr
n .3145541890122473 4.8764e-09 deg/d
Q 2.565595710287685 2.6515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6476 days (17.73 yr)  
   first obs. used      2001-08-28  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:43:35  

Additional Information
 Earth MOID = .707526 au 
 Jupiter MOID = 2.79554 au 
 T_jup = 3.685 
[ 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 17.1   n/a MPO382102  

160897 (2001 SB257)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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